{"title":"Controllers + Meters","description":"\u003cp\u003eGive your green thumb a cybernetic boost with meters, timers, and controllers, \"robots\" to monitor critical light, temperature, humidity, CO2, water, pH, nutrient levels and report data to the web. Automate routines and eliminate growing guesswork.\u003c\/p\u003e\n\u003cp\u003eMeters and environmental controls may be the most important indoor gardening supplies you ever buy. This is because they allow you to automate and optimize your hydroponics garden to the best conditions possible. Controlling your enclosed grow room's environment is critical to your plant's success. High heat and humidity in hydroponic gardens can spell trouble for your plants. Maintaining the right temperature, pH level and nutrients level of your plants can be a difficult task unless you have the right meters among your indoor gardening supplies.\u003c\/p\u003e\n\u003ch4\u003eControllers\u003c\/h4\u003e\n\u003cp\u003eGrow room \u003ca href=\"\/controllers\"\u003econtrollers\u003c\/a\u003e come in various configurations, from simple \u003ca href=\"\/fan-controllers\"\u003efan\u003c\/a\u003e and \u003ca href=\"\/light-controllers\"\u003elight controllers\u003c\/a\u003e to monitoring \u003ca href=\"\/humidity-control\"\u003ehumidity\u003c\/a\u003e, \u003ca href=\"\/temperature-controllers\"\u003etemperature\u003c\/a\u003e, and even \u003ca href=\"\/co2\"\u003eCO2 levels\u003c\/a\u003e, able to react to changing conditions even when you aren't around. Full environmental controllers have the added benefit of allowing for automation, which means less work for you! So if you're looking for a complete control system or just something to help out in specific areas, GrowersHouse carries the complete lineup of several popular controller brands. We also carry \u003ca href=\"\/multi-function-controllers\"\u003emulti-function controllers\u003c\/a\u003e that do it all-in-one complete environmental controller able to control lighting, fans, humidity, temperature, and even CO2 levels.\u003c\/p\u003e\n\u003ch4\u003eMeters\u003c\/h4\u003e\n\u003cp\u003eVarious \u003ca href=\"\/meters\"\u003emeters\u003c\/a\u003e are available to monitor every aspect of your grow room from \u003ca href=\"\/thermometer-hygrometer\"\u003etemperature and humidity\u003c\/a\u003e to the \u003ca href=\"\/tds-ppm-ec-meters\"\u003etotal dissolved solids\u003c\/a\u003e\u003ca\u003e in your nutrient solution. You can monitor your power usage with \u003c\/a\u003e\u003ca href=\"\/voltage-power-usage-meters\"\u003evoltage and power meters\u003c\/a\u003e or even \u003ca href=\"\/light-meters\"\u003elight meters\u003c\/a\u003e to measure your light's efficiency so you know when it's time to replace those bulbs. \u003ca href=\"\/moisture-meters\"\u003eMoisture meters\u003c\/a\u003e are great for soil growers wanting to take the guesswork out of knowing when to water or not. Since meters need occasional \u003ca href=\"\/air-water-co2-calibration-cleaning-solutions\"\u003ecalibration and cleaning\u003c\/a\u003e to make sure the readings are accurate, we carry 'solutions' for making your pH and TDS\/PPM\/EC meters continue to work at their best.\u003c\/p\u003e","products":[{"product_id":"2-way-ph-moisture-meter","title":"Active Air 2-Way pH and Moisture Meter | 0-10 Scales, No Battery","description":"\u003ch2\u003eWhat a Combined pH and Moisture Meter Tells You\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eTwo readings from one pair of prongs. Moisture runs \u003cstrong\u003e0 dry to 10 moist\u003c\/strong\u003e. pH runs \u003cstrong\u003e0 acidic to 10 basic\u003c\/strong\u003e. The needle moves without a battery in it. That matters more than it sounds on a tool that lives in a drawer between uses.\u003c\/p\u003e\n\u003ch2\u003eGetting an Honest Reading From an Active Air Probe\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003ePush the prongs into moist medium, not dry. An analogue probe reads through the water in the soil. A dry pot gives a number that means very little, and the same pot watered an hour earlier reads differently. Take two or three spots around the root zone rather than one. The pattern is what tells you something, not a single stab. Then pull it straight back out of the pot. Hydrofarm is blunt about this. Do not leave the probe in soil, and clean the prongs after every use, because corrosion on the contacts is what kills these meters. Treat the pH figure as a direction rather than a laboratory number. One point on the scale is a tenfold change in acidity. This tells you which way to move, and a calibrated pen tells you how far.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo scales, one probe:\u003c\/strong\u003e Moisture 0 to 10 and pH 0 to 10, read off the same pair of prongs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo batteries:\u003c\/strong\u003e Analogue movement, so it works after six months in a drawer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead moist, not dry:\u003c\/strong\u003e The probe reads through water in the medium. A dry pot tells you little.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample two or three spots:\u003c\/strong\u003e The pattern around the root zone beats one reading in one place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not leave it in soil:\u003c\/strong\u003e Hydrofarm is explicit. Pull it out and clean the prongs each time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA direction, not a lab number:\u003c\/strong\u003e One pH point is a tenfold change. Use a calibrated pen for precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor or outdoor:\u003c\/strong\u003e Same tool either way, and nothing to charge or replace.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eActive Air, a Hydrofarm line\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMGMP1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2-way analogue soil probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMoisture Scale\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 dry to 10 moist\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Scale\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 acidic to 10 basic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNone. No batteries required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIndoor and outdoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCare\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDo not leave in soil. Clean the prongs after each use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eReading Condition\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMoist medium. Dry soil gives an unreliable reading\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMethod\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSample two or three spots around the root zone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePrecision Note\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDirectional. A calibrated pen gives the exact figure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e638104006972\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":46296985075926,"sku":"MGMP1","price":8.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hydrofarm-2-way-ph-moisture-meter-1.webp?v=1789397288"},{"product_id":"water-hammer-arrestor-kit-3-4-in-wha34-ss-kit","title":"Dilution Solutions Water Hammer Arrestor Kit, 3\/4 in | WHA34-SS-KIT, Stainless","description":"\u003ch2\u003eDilution Solutions 3\/4 Water Hammer Arrestor for Dosing Lines\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eSmall fertigation lines bang just as hard as big ones when a zone valve closes in a fraction of a second. On a 3\/4 inch Dosatron setup, that surge hits the injector housing, the unions and any meter in the line. This Dilution Solutions kit, part \u003cstrong\u003eWHA34-SS-KIT\u003c\/strong\u003e, gives the surge somewhere to go. Its arrestor is made of \u003cstrong\u003e#316 stainless steel\u003c\/strong\u003e and works across a normal range of \u003cstrong\u003e35 to 500 psi\u003c\/strong\u003e. Short spikes up to \u003cstrong\u003e2,000 psi\u003c\/strong\u003e stay within its rating. Dosatron recommends an arrestor on any system controlled by quick-closing solenoid valves. On this size, the arrestor threads straight into the tee with no reducer bushing. The kit packs a tee, a 4 inch nipple, an elbow and a close nipple. A union and a roll of pink thread seal tape round out the box. Together they form a compact offset that sits in line with the 3\/4 inch pipe. The union makes the whole piece removable for service. It suits single-doser stations as well as 3\/4 inch LoFlo nutrient delivery panels. Assembly is required, and the Dosatron doser is sold separately.\u003c\/p\u003e\u003ch2\u003eAssembling the Water Hammer Arrestor Kit\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003ePlan the location first, because Dilution Solutions mounts it downstream of the doser, after the bypass loop rejoins the main line. The water then leaves through the blended solution outlet just past the arrestor. Prepare each male thread with five to six wraps of tape, turning clockwise so the tape tightens as the fitting goes on. Skip pipe dope entirely on Dosatron plumbing. Screw the long nipple into the center port of the tee. With that nipple pointing left, thread the stainless arrestor directly into the top port. Join the close nipple to the elbow. Fit the elbow into the bottom port of the tee and turn it until its nipple points right. The union goes onto the close nipple last. Tighten each joint firmly by hand, then snug it with a wrench without overdoing it. Open the supply valve slowly on the first fill and look for drips at every thread. A quiet line on the next valve close tells you the arrestor is doing its job.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e316 Stainless Arrestor:\u003c\/strong\u003e Gives the surge from a closing valve somewhere to go.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e35 to 500 psi Working Range:\u003c\/strong\u003e Rated for short spikes up to 2,000 psi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit on 3\/4 Inch:\u003c\/strong\u003e The arrestor threads straight into the tee, no reducer needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Fitting Kit:\u003c\/strong\u003e Tee, 4 inch nipple, elbow, close nipple and union in the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Union:\u003c\/strong\u003e Takes the assembly out for service without cutting pipe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePink Thread Seal Tape:\u003c\/strong\u003e One roll included for sealing the threaded joints.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWHA34-SS-KIT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDilution Solutions (Dosatron)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLine size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eArrestor material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e#316 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eNormal operating pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e35–500 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMaximum spike pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2,000 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater hammer arrestor, tee, 4 in nipple, elbow, close nipple, union, pink thread seal tape\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eReducer bushing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNot required on this size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAssembly\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eRequired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eNot included\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDosatron doser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":46297045729494,"sku":"709007","price":264.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/water-hammer-arrestor-kit-3-4-in-wha34-ss-kit-1.webp?v=1793114537"},{"product_id":"activeair-3-way-meter","title":"Active Air 3-Way Meter | Soil Moisture, Light and pH, No Batteries","description":"\u003ch2\u003eWhat the Active Air 3-Way Meter Actually Measures\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThis is a three function probe meter that runs on nothing at all. No batteries, no calibration solution, no warm up time. The moisture side reads on a scale of \u003cstrong\u003e0 to 10\u003c\/strong\u003e. Anything in the low red zone means the root ball has gone dry. Light reads from \u003cstrong\u003e0 to 2000 LUX\u003c\/strong\u003e, low at the bottom of the range and strong daylight at the top. The pH function covers a range of \u003cstrong\u003e3.5 to 8\u003c\/strong\u003e, which is where nearly every container mix and soilless media already sits. Three needles on one dial, one probe in the medium. Growers keep one of these on the bench for one reason. It answers the question that matters at watering time, which is whether the pot is actually dry or dry only on the surface. A pot that reads 2 at depth and feels bone dry on top is a different plant than one reading 8.\u003c\/p\u003e\n\u003ch2\u003eReading a 3 Way Soil Meter Without Guessing\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eGetting a consistent number out of it comes down to how the probe goes in. For moisture, push about three quarters of the probe length into the medium. Aim near the root zone rather than the pot edge, where runoff collects. For pH, the probe wants to go 4 to 5 inches into a moist sample. Give it a full minute of contact before the needle settles. Wipe the probe with a dry cloth first, because residue from the last pot will drag the reading. Then clean it and dry it when you are done. Two honest limits are worth knowing. Only the probe tips can go in liquid, so the body is not waterproof and a reservoir dunk will finish it. And this is a relative indicator rather than a lab instrument. Treat a pH reading as a direction to check, not a number to correct from. For that, a calibrated pen is still the tool.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo batteries:\u003c\/strong\u003e Nothing to replace and nothing to die mid season, so it works the moment you pick it up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture scale 0 to 10:\u003c\/strong\u003e Reads at root depth rather than the surface, which is where watering mistakes start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight scale to 2000 LUX:\u003c\/strong\u003e Gives a quick sense of whether a corner of the room is carrying real intensity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH range 3.5 to 8:\u003c\/strong\u003e Covers the window container mixes and soilless media actually operate in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle probe body:\u003c\/strong\u003e One tool for three readings, so nothing extra has to live on the bench.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWipe clean after use:\u003c\/strong\u003e A dry cloth between pots keeps residue from dragging the next reading.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eActive Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3-Way Meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMGMLP1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFunctions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMoisture, light, pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMoisture Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLight Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 2000 LUX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3.5 to 8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProbe Depth, Moisture\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout three quarters of probe length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProbe Depth, pH\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 to 5 inches, one minute contact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e13.3 x 3.8 x 1.2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.2 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eProbe tips only, body is not waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e638104190251\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Active Air","offers":[{"title":"Default Title","offer_id":46297174704342,"sku":"MGMLP1","price":9.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/activeair-3-way-meter.webp?v=1789655869"},{"product_id":"apogee-par-ppfd-quantum-meter-and-sensor-mq-500","title":"Apogee PAR PPFD Quantum Meter and Sensor MQ-500","description":"\u003ch2\u003eApogee MQ-500 PAR PPFD Quantum Meter for Lab-Grade PPFD Readings\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe \u003cstrong\u003eApogee MQ-500\u003c\/strong\u003e is the meter most commercial growers reach for when canopy maps need to hold up to a state inspector. A blue-enhanced silicon photodiode plus a custom optical filter holds calibration uncertainty \u003cstrong\u003ewithin plus or minus 5%\u003c\/strong\u003e across the \u003cstrong\u003e400-700 nm\u003c\/strong\u003e PAR band. Measurement runs to \u003cstrong\u003e4,000 micromol\/m2\/s\u003c\/strong\u003e — past the saturation point of any LED or HPS in production. Long-term drift is under \u003cstrong\u003e2% per year\u003c\/strong\u003e. The meter you calibrate today still reads honestly through next quarter's bloom cycle.\u003c\/p\u003e\n\u003ch2\u003eDaily Workflow with the MQ-500 Quantum PPFD Meter\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eSpot mode gives an instant PPFD. Sample mode averages a quick canopy walk. Log mode records DLI in \u003cstrong\u003emol\/m2\/day\u003c\/strong\u003e over the full photoperiod. The cosine-corrected \u003cstrong\u003e180 degree field of view\u003c\/strong\u003e keeps off-axis light from flattering the number. That matters most when checking the corners of a 5x5 footprint. Growers typically hold the meter at canopy height during a slow walk-through, several inches above the leaf surface, sweeping fixture by fixture. Handheld at 24x24x126 mm. Light enough for a one-hand sweep between feed cycles.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpectral range:\u003c\/strong\u003e 400-700 nm PAR with blue-enhanced silicon detector and custom filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement range:\u003c\/strong\u003e 0-4,000 micromol\/m2\/s, beyond saturation for any production LED or HPS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration uncertainty:\u003c\/strong\u003e Within plus or minus 5% — the spec growers quote when defending canopy data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-term drift:\u003c\/strong\u003e Less than 2% per year, so quarterly recalibration is not mandatory for in-house use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField of view:\u003c\/strong\u003e 180 degree cosine-corrected, so off-angle light does not inflate edge readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogging:\u003c\/strong\u003e Spot, sample, and log modes; DLI output in mol\/m2\/day over the photoperiod\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuild:\u003c\/strong\u003e Anodized aluminum sensor housing, epoxy-potted, dome diffuser submersible to 30 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 4-year manufacturer warranty, longer than most consumer-grade PAR meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSpectral Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e400-700 nm (PAR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-4,000 micromol\/m2\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCalibration Uncertainty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWithin plus or minus 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLong-Term Drift\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLess than 2% per year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eRepeatability\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLess than 0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eField of View\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e180 degree (cosine-corrected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor Detector\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBlue-enhanced silicon photodiode with optical filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor Housing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAnodized aluminum, epoxy-potted, IP-submersible to 30 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeter Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e126 x 70 x 24 mm handheld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-50 C, less than 90% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Apogee","offers":[{"title":"Default Title","offer_id":46297191481558,"sku":"MQ-500","price":667.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Apogee_PAR_PPFD_Quantum_Meter_and_Sensor_MQ-500_main_image_1050_x_1050.webp?v=1777999493"},{"product_id":"aqua-x-sensor-board-aqua-x-pro-only-amp-3","title":"Aqua-X Sensor board (Aqua-X PRO only) (AMP-3)","description":"\u003ch2\u003eHow the TrolMaster AMP-3 Sensor Board Fits a Reservoir\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe AMP-3 is a bridge board that turns two reservoir probes into live pH, EC and water temperature readings on a TrolMaster controller. TrolMaster lists it for the Aqua-X Pro (NFS-2), the Aqua-X Plus (NFS-3) and the Tent-X (TCS-1). A BNC terminal takes the pH probe and a Mini DIN terminal takes the EC and temperature probe. An RJ12 terminal marked SYSTEM carries the signal back to the controller. On the Aqua-X it plugs into the Nutrient terminal, and on the Tent-X it uses the Sensor terminal. A 1 in LCD on the face of the board shows the readings beside the tank. One Aqua-X Pro can address up to 50 of these boards, so each reservoir in a room can report on its own. The box holds the board, a 16 ft RJ12 cable, a 4 ft RJ12 cable and a T-splitter. The board is rated for 32 to 122 °F at up to 90 percent relative humidity. The distributor part number is TRCAMP3, and the board carries CE and ETL marks and a three year warranty. The retail box measures 6.30 by 3.39 by 3.39 in and ships at 0.86 lb.\u003c\/p\u003e\n\u003ch2\u003eSetting Up an Aqua-X Pro Sensor Board for Steady Readings\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eAn Aqua-X Pro sensor board earns its place when the numbers on the controller match what is in the tank. Mount it on a wall close to the probes with two screws. Keep it above splash height and away from heaters, pumps and chiller exhaust. Short probe leads carry less noise, so route them straight to the board without coiling the slack on a motor cord. Push the BNC on and turn it until it locks, then seat the Mini DIN fully. A loose plug is the usual cause of a reading that drops out. Rooms with several tanks run each board through the SPH-1 Splitter Hub and give every board its own address. Label each board with its reservoir so an alert points to the right tank. Calibrate both probes through the controller before trusting the first alarm. Holding the addressing key down resets the board's calibration, which helps when a probe is swapped. Set a pH window and an EC window on the controller the same day. The board reports values and the controller acts on them, so a dosing response still needs pumps on the Aqua-X side. The probes are not in the box.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree terminals:\u003c\/strong\u003e BNC for pH, Mini DIN for EC and temperature, RJ12 SYSTEM to the controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eController fit:\u003c\/strong\u003e Aqua-X Pro (NFS-2), Aqua-X Plus (NFS-3) and Tent-X (TCS-1).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard 1 in LCD:\u003c\/strong\u003e Readings shown at the reservoir as well as on the controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-reservoir monitoring:\u003c\/strong\u003e Up to 50 boards on one Aqua-X Pro, each with its own address.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCables in the box:\u003c\/strong\u003e 16 ft and 4 ft RJ12 cables plus a T-splitter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAddressing key:\u003c\/strong\u003e Sets the board address; a long press resets calibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWall mount:\u003c\/strong\u003e Two screws, close to the probes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE and ETL:\u003c\/strong\u003e Three year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Aqua-X-AMP-3-Sensor-Board-Box-Link-Up.jpg\" alt=\"\" title=\"\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTrolMaster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAMP-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDistributor part number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTRCAMP3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEAN\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6970207971622\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatible controllers\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAqua-X Pro (NFS-2), Aqua-X Plus (NFS-3), Tent-X (TCS-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH input\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBNC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC\/Temp input\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMini DIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eController connection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eRJ12 SYSTEM terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatible probes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTrolMaster PPH pH probes, PCT EC\/Temp probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 in LCD, 64 x 64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBoards per Aqua-X Pro\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUp to 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMultiple boards\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eVia SPH-1 Splitter Hub\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWall, 2 screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOperating range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e32 - 122 °F, up to 90% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCE, ETL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIn the box\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor board, 16 ft RJ12 cable, 4 ft RJ12 cable, T-splitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePackage size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6.30 x 3.39 x 3.39 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShipping weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.86 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"TrolMaster","offers":[{"title":"Default Title","offer_id":46297191907542,"sku":"AMP-3","price":135.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/trolmaster-aqua-x-sensor-board-amp-3-1.webp?v=1791821078"},{"product_id":"bluelab-calibration-solution-27-7cf-ec2-77-250ml","title":"Bluelab 2.77 EC Calibration Solution 250 mL | 27.7 CF Conductivity Standard","description":"\u003ch2\u003eWhat 2.77 EC Calibration Solution Is Actually For\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eConductivity probes drift far less than pH probes do. Bluelab ships its pens factory calibrated for that reason, and treats calibration as optional rather than routine. So most of the time this bottle is a check, not a calibration. Sit a clean probe in fresh standard and see whether the display lands on \u003cstrong\u003e2.77 EC\u003c\/strong\u003e. If it does, the probe is clean and the number you read in the tank is real. If it does not, the probe usually wants cleaning before it wants calibrating. On a Bluelab pen the same solution then runs the calibration routine. The check mark it leaves on screen clears itself after \u003cstrong\u003e30 days\u003c\/strong\u003e. That is a quiet way of telling you how long it has been. Bluelab makes these solutions for its own instruments, NIST certified and to a traceable standard.\u003c\/p\u003e\n\u003ch2\u003eGetting a Bluelab Conductivity Solution to Last\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003e2.77 EC\u003c\/strong\u003e is \u003cstrong\u003e27.7 CF\u003c\/strong\u003e. On a pen set to parts per million that is roughly \u003cstrong\u003e1,385\u003c\/strong\u003e on the 500 scale, or near \u003cstrong\u003e1,940\u003c\/strong\u003e on the 700 scale. Pour a working sample into a cup and put the probe in that. Never dip a probe into the bottle, and never tip a used sample back in. One careless pour turns the whole bottle into a bad reference, and a bad reference is worse than no reference at all. That is the argument for \u003cstrong\u003e250 mL\u003c\/strong\u003e. It covers a season of weekly checks on a pen or a Truncheon. The bottle is small enough that the last of it is still in good condition. Keep it sealed, cool and out of direct sun.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST certified:\u003c\/strong\u003e Made by Bluelab for Bluelab instruments, to a traceable standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.77 EC equals 27.7 CF:\u003c\/strong\u003e Roughly 1,385 ppm on the 500 scale, or near 1,940 ppm on the 700 scale.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA check first, a calibration second:\u003c\/strong\u003e Conductivity probes drift little, so this is mostly a verification fluid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePour off, never dip:\u003c\/strong\u003e A probe in the bottle contaminates the reference for every future check.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever tip a sample back:\u003c\/strong\u003e Used standard goes down the drain. It has already picked up whatever was on the probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 day calibration mark:\u003c\/strong\u003e A Bluelab pen shows a check mark that clears itself once a month has passed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits the whole Bluelab range:\u003c\/strong\u003e Conductivity pens, the Truncheon, and Guardian monitors on the EC side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean before you calibrate:\u003c\/strong\u003e A reading that will not settle is usually a dirty probe, not a lost calibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSized for one meter:\u003c\/strong\u003e 250 mL suits a single pen. Move to 500 mL for several meters or a monitor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHD125026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.77 EC Conductivity Standard Solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eVolume\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e250 mL \/ 8.4 fl oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eStandard Value\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.77 EC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCF Equivalent\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e27.7 CF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eppm 500 Scale\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 1,385 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eppm 700 Scale\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 1,940 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNIST certified, traceable standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eChecking and calibrating conductivity probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatible With\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab conductivity pens, Truncheon, Guardian monitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMethod\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePour a sample into a separate container, then discard after use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDo Not\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDip a probe into the bottle or return used solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eStorage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSealed, cool, out of direct sunlight and heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSafety\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eKeep out of reach of children\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOther Sizes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297207668950,"sku":"HD125026","price":11.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-2-77-ec-conductivity-standard-250ml-1.webp?v=1789492952"},{"product_id":"bluelab-calibration-solution-27-7cf-ec2-77-500ml","title":"BlueLab Calibration Solution - 27.7CF\/EC2.77 - 500mL","description":"\u003ch2\u003eWhy Bluelab Calibration Solution Comes in 500 mL\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eNothing about the fluid changes with the bottle. It is the same \u003cstrong\u003e2.77 EC\u003c\/strong\u003e standard, the same \u003cstrong\u003e27.7 CF\u003c\/strong\u003e, certified to NIST and made by Bluelab for its own meters. What changes is how fast you get through it. The rule that a probe never enters the bottle is what drives the volume. Every check means pouring a fresh sample into a separate container, using it once, and tipping it away. Do that weekly with one pen and a small bottle is plenty. Do it weekly across a pen, a Truncheon and a Guardian, and the pours add up. \u003cstrong\u003e500 mL\u003c\/strong\u003e is the size for a bench with more than one instrument on it. It also costs less per millilitre, which is the usual reason people move up.\u003c\/p\u003e\n\u003ch2\u003eUsing a Conductivity Standard Solution on a Monitor\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eOn a monitor the job differs a little from a pen. A Guardian sits in the tank permanently, so its probe collects film rather than drying out. The standard is what tells you whether that film has started to matter. Clean the probe, rinse it in fresh water, then read it in a poured sample. A reading that sits on \u003cstrong\u003e2.77\u003c\/strong\u003e means the probe is reporting honestly, and the number on the wall is the real one. A reading that will not settle is almost always a cleaning problem rather than a calibration problem. Store the bottle sealed and cool with the lid tight, out of direct sun. Heat and light are what age a standard on a shelf.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame fluid, larger bottle:\u003c\/strong\u003e Identical 2.77 EC standard to the 250 mL, NIST certified and traceable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSized for several meters:\u003c\/strong\u003e A pen, a Truncheon and a Guardian on one bench get through it quickly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower cost per millilitre:\u003c\/strong\u003e The usual reason to step up once more than one instrument is in use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery check is a fresh pour:\u003c\/strong\u003e Used solution is discarded, so volume disappears faster than people expect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNever dip into the bottle:\u003c\/strong\u003e One probe in the bottle compromises the reference for every check after it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReads the film on a monitor:\u003c\/strong\u003e A permanently submerged Guardian probe collects film rather than drying.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean before you calibrate:\u003c\/strong\u003e A reading that will not settle is usually dirt, not a lost calibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore sealed and cool:\u003c\/strong\u003e Heat and direct light are what shorten the life of a standard on a shelf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeep away from children:\u003c\/strong\u003e Standard solution is a chemical reference, not something to leave out.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e732901\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.77 EC Conductivity Standard Solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eVolume\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500 mL \/ 16.9 fl oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eStandard Value\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.77 EC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCF Equivalent\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e27.7 CF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNIST certified, traceable standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eChecking and calibrating conductivity probes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatible With\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab conductivity pens, Truncheon, Guardian monitors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMethod\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePour a sample into a separate container, then discard after use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDo Not\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDip a probe into the bottle or return used solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBefore Calibrating\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eClean the probe and rinse in fresh water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eStorage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSealed, cool, out of direct sunlight and heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSafety\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eKeep out of reach of children\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOther Sizes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e250 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297207734486,"sku":"732901","price":20.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-2-77-ec-conductivity-standard-500ml-1.webp?v=1789492952"},{"product_id":"bluelab-calibration-solution-4-0-ph-calibrate","title":"BlueLab Calibration Solution - 4.0 pH","description":"\u003cp\u003eThe Bluelab Calibration Solutions are a very necessary part of a growers toolbox. These solutions are manufactured specific to the calibration process and referenced to high laboratory standards by Bluelab. They are required for the calibration of pH meters, pH monitors and controllers. Regular cleaning and calibrating of pH measuring equipment ensures accurate readings. Bluelab's EC\/CF equipment does not need calibrating, as they are all factory calibrated at Bluelab. The CF27.7 solution is used as a reference to ensure you have adequately cleaned the EC\/CF probe.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"250 ml","offer_id":46297207767254,"sku":"HD4CAL250","price":11.5,"currency_code":"USD","in_stock":true},{"title":"500 ml","offer_id":46297207800022,"sku":"HD4CAL500","price":20.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/BlueLab_Calibration_Solution_-_4.0_pH.webp?v=1758921498"},{"product_id":"bluelab-calibration-solution-7-0-ph","title":"BlueLab Calibration Solution - 7.0 pH","description":"\u003cp\u003eThe Bluelab Calibration Solutions are a very necessary part of a growers toolbox. These solutions are manufactured specific to the calibration process and referenced to high laboratory standards by Bluelab. They are required for the calibration of pH meters, pH monitors and controllers. Regular cleaning and calibrating of pH measuring equipment ensures accurate readings. Bluelab's EC\/CF equipment does not need calibrating, as they are all factory calibrated at Bluelab. The CF27.7 solution is used as a reference to ensure you have adequately cleaned the EC\/CF probe.\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"250 ml","offer_id":46297208193238,"sku":"BLU7250","price":11.5,"currency_code":"USD","in_stock":true},{"title":"500 ml","offer_id":46297208226006,"sku":"BLU7500","price":20.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/BlueLab_Calibration_Solution_-_7.0_pH.webp?v=1758921498"},{"product_id":"bluelab-combo-meter","title":"BlueLab Combo Meter","description":"\u003ch2\u003eBluelab Combo Meter and Tester for pH, PPM, TDS, EC, and Temperature\u003c\/h2\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/JY1DfrToqIY\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n It's all you need for simple and reliable crop management and it's all within arm's reach! The \u003cstrong\u003eBluelab Combo Meter\u003c\/strong\u003e is a conductivity, pH and temperature meter all in one. \n\u003cbr\u003e\n\u003cbr\u003e\n The Bluelab pH Probe and the Bluelab Conductivity\/Temperature Probe are simply placed into the solution and the selected reading is displayed on screen. As the Bluelab Combo Meter is portable and does not require a power supply to operate, it can be used anytime and anywhere to help you manage your crops daily nutrient requirements. \n\u003cbr\u003e\n\u003cbr\u003e\n Calibration of the pH is simple with the push buttons on the meter and fresh calibration solutions. Conductivity and temperature do not need to be calibrated as this is locked in during manufacture. Display options available in  °C,  °F, EC, CF, ppm 500 and ppm 700. \n\u003cbr\u003e\n\u003cbr\u003e\n\u003cul\u003e\n \u003cli\u003eLight weight and portable\u003c\/li\u003e\n \u003cli\u003eMeasures pH, Nutrient PPM, and Temperature\u003c\/li\u003e\n \u003cli\u003eThree display options for nutrient - EC, CF, ppm (500 scale)\u003c\/li\u003e\n \u003cli\u003eTwo display options for temperature (C or F)\u003c\/li\u003e\n \u003cli\u003eThree calibration points, 4, 7 and 10 pH\u003c\/li\u003e\n \u003cli\u003eTemperature at a push of a button\u003c\/li\u003e\n \u003cli\u003eSimple push button pH calibration\u003c\/li\u003e\n \u003cli\u003eAuto turn off function\u003c\/li\u003e\n \u003cli\u003eLarge 13mm (1\/2) digital display for easy reading\u003c\/li\u003e\n \u003cli\u003eSupplied with quality probes and pH calibration solutions\u003c\/li\u003e\n \u003cli\u003eLow battery indicator\u003c\/li\u003e\n \u003cli\u003eLong life 3 AAA batteries\u003c\/li\u003e\n \u003cli\u003e5 year Bluelab Guarantee (6 mo for pH probe)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cbr\u003e\u003ca href=\"http:\/\/sunlightsupply.s3.amazonaws.com\/documents\/product\/716441_Instructions.pdf\" target=\"_blank\"\u003eInstructions\u003c\/a\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297208291542,"sku":"716441","price":339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-combo-meter-716441-main-v3.webp?v=1787262186"},{"product_id":"bluelab-meter-carry-case","title":"Bluelab Carry Case for Combo Meter, pH Meter \u0026 Pens | Meter Not Included","description":"\u003ch2\u003eBluelab Carry Case That Doubles as a Work Station\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eA handheld meter lives a hard life, carried room to room, set on wet benches and knocked off reservoir lids. This is Bluelab's own carry case, cut to fit their handheld meters closely enough that the display stays readable while the meter sits inside. It fits the \u003cstrong\u003eBluelab Combo Meter\u003c\/strong\u003e, the \u003cstrong\u003eCombo Meter Plus\u003c\/strong\u003e and the \u003cstrong\u003eMultimedia pH Meter\u003c\/strong\u003e. It also takes Bluelab's pH and conductivity pens, plus \u003cstrong\u003e20 ml\u003c\/strong\u003e solution sachets for calibration on the go. A firm outer shell absorbs knocks and drops that would otherwise land on the meter. Inside, a netted pocket and strap hold the meter in place. Two custom pockets in the lid take the probes, and an internal strap keeps the cables coiled out of the way. The adjustable nylon strap goes over a shoulder or hangs from a wall hook, and it can be removed. A \u003cstrong\u003eD-hook\u003c\/strong\u003e on top lets the case hang from a nail or rail beside the reservoir. The zip closure seals everything in for storage or the drive between sites. The meter, probes and sachets are not included.\u003c\/p\u003e\u003ch2\u003eDaily Use of a Meter Carry Case in the Grow\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eMost growers hang the case right beside the nutrient tank and leave the meter in it during checks. Open the lid, drop only the probes into the solution and read the display without lifting anything out. That keeps the electronics clear of splashes, which is where most handheld meters fail early. Between readings, rinse the probes and slide them back into their pockets so the tips are protected. Dry probes store best in the case, so shake off excess water before closing the zip. For consultants and techs working several rooms or sites, the shoulder strap leaves both hands free for ladders and lids. Keep a couple of calibration sachets in the case so a quick calibration can happen wherever a reading looks off. The case also makes it harder to lose the small parts, from storage caps to spare sachets. The honest limit is that it protects against bumps and splashes, not submersion, so it should never go into a reservoir. It is a simple accessory that pays for itself the first time a meter slips. Bluelab backs it with a two-year limited guarantee.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirm Outer Shell:\u003c\/strong\u003e The rigid casing takes knocks and drops so the meter inside does not.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Without Removing:\u003c\/strong\u003e The meter sits in a netted pocket with its display visible, so only the probes leave the case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Probe Pockets:\u003c\/strong\u003e Two pockets in the lid protect probe tips, and an internal strap tidies the cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrap and D-Hook:\u003c\/strong\u003e An adjustable, removable nylon strap and a top D-hook let the case hang by the tank or ride on a shoulder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Bluelab Handhelds:\u003c\/strong\u003e Sized for the Combo Meter, Combo Meter Plus, Multimedia pH Meter, pH and conductivity pens and 20 ml sachets.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatible meters\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab Combo Meter, Combo Meter Plus, Multimedia pH Meter, pH Pen, Conductivity Pen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAlso holds\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e20 ml Bluelab solution sachets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOuter case\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFirm shell, zip closure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInterior\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNetted meter pocket with strap, two probe pockets, internal cable strap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCarry options\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAdjustable, removable nylon strap; D-hook for hanging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeter included\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2-year limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297208357078,"sku":"BLU7000","price":30.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-meter-carry-case-1_fec921c8-52a7-43e5-b1ac-bb8ca8c7aea4.webp?v=1793304708"},{"product_id":"bluelab-onepen-with-replaceable-ph-conductivity-ec-temperature-probe","title":"Bluelab OnePen - With replaceable pH, Conductivity (EC) \u0026 Temperature Probe","description":"\u003ch2\u003eWhat the Bluelab OnePen Replaces on a Bench\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThree instruments in one body, and the two that matter most read together. pH covers \u003cstrong\u003e0.0 to 14.0\u003c\/strong\u003e at \u003cstrong\u003e±0.05\u003c\/strong\u003e, resolved to two decimal places. Conductivity runs \u003cstrong\u003e0 to 10 EC\u003c\/strong\u003e at \u003cstrong\u003e±0.1\u003c\/strong\u003e, or \u003cstrong\u003e0 to 100 CF\u003c\/strong\u003e. On the parts per million scales that is \u003cstrong\u003e0 to 5000\u003c\/strong\u003e at 500, or \u003cstrong\u003e0 to 7000\u003c\/strong\u003e at 700. Temperature reads \u003cstrong\u003e0 to 50°C\u003c\/strong\u003e, or \u003cstrong\u003e32 to 122°F\u003c\/strong\u003e, to a tenth of a degree. The shell carries an \u003cstrong\u003eIP68\u003c\/strong\u003e dust and water rating, which is a measured rating rather than a claim about splashes. Two \u003cstrong\u003eAAA\u003c\/strong\u003e cells run it. Bluetooth carries readings into the Edenic app, so a check at the tank gets logged instead of remembered.\u003c\/p\u003e\n\u003ch2\u003eWhy a pH and EC Pen Needs a Replaceable Probe\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe pH probe comes out. That single fact separates this from the sealed pens beside it, because a pH probe is a consumable and always has been. The glass and the junction change chemically with use, readings drift, and cleaning does not bring them back. On a sealed pen that is the end of the meter. Here you fit a new double junction probe and carry on, with a health indicator on screen to say when that moment is near. The conductivity side works through titanium electrodes alongside it. Bluelab backs the pen for \u003cstrong\u003etwo years\u003c\/strong\u003e and a replacement probe for \u003cstrong\u003esix months\u003c\/strong\u003e. In the box are three \u003cstrong\u003e18 mL\u003c\/strong\u003e sachets, pH 7.0, pH 4.0 and KCl storage solution, along with a cleaning brush and the batteries.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree readings, one body:\u003c\/strong\u003e pH, conductivity and temperature, with pH and EC shown at the same time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH to ±0.05:\u003c\/strong\u003e Across 0.0 to 14.0, resolved to two decimal places at 25 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductivity on four scales:\u003c\/strong\u003e 0 to 10 EC, 0 to 100 CF, 0 to 5000 ppm 500 or 0 to 7000 ppm 700.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable pH probe:\u003c\/strong\u003e A worn probe is replaced instead of the whole meter, which sealed pens cannot do.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe health indicator:\u003c\/strong\u003e On screen, so the probe gets changed before the readings mislead you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble junction and titanium:\u003c\/strong\u003e Double junction on the pH side, titanium electrodes on the conductivity side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 rated:\u003c\/strong\u003e A measured dust and water rating rather than a general claim about splashes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth to Edenic:\u003c\/strong\u003e Readings log to the app for records, sharing and firmware updates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo year warranty:\u003c\/strong\u003e On the pen, with six months on a replacement probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady out of the box:\u003c\/strong\u003e Three 18 mL sachets, pH 7.0, pH 4.0 and KCl storage, plus brush and batteries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePENONE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eOnePen 3-in-1 meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeasures\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003epH, conductivity and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.0 to 14.0, ±0.05 at 25°C, 0.01 resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 10 EC or mS\/cm, ±0.1, 0.01 resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCF Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 100 CF, ±1, 0.1 resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eppm 500 Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 5000 ppm, ±50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eppm 700 Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 7000 ppm, ±70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 50°C \/ 32 to 122°F, ±1°, 0.1° resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Probe\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eReplaceable, double junction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductivity Electrodes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTitanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProbe Health Indicator\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIngress Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIP68, dust and waterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnectivity\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluetooth to the Edenic app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 x AAA alkaline batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIn the Box\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eOnePen, 3 x 18 mL sachets (pH 7.0, pH 4.0, KCl storage), cleaning brush, 2 x AAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 years on the pen, 6 months on a replacement probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297208586454,"sku":"PENONE","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-onepen-1.webp?v=1789492969"},{"product_id":"bluelab-ph-replacement-electrode","title":"Bluelab Replacement pH Probe","description":"\u003ch2\u003eWhen to Fit a Bluelab Replacement pH Probe\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA pH probe is a consumable rather than a thing that breaks. The glass and the reference junction change chemically as they work, and past a certain point no amount of cleaning brings the reading back. The symptoms are consistent enough to name. A number that takes longer and longer to settle. A slow drift away from a known buffer. A probe that will not hold a two point calibration after a proper clean. Bluelab asks for calibration \u003cstrong\u003eonce a month\u003c\/strong\u003e, and more often under heavy use, continuous monitoring, or organic nutrients. Between readings the tip lives in KCl storage solution, refreshed \u003cstrong\u003eweekly\u003c\/strong\u003e. A probe that has dried out is not automatically finished. It needs rehydrating and a fresh two point calibration before the numbers mean anything again.\u003c\/p\u003e\n\u003ch2\u003eFitting a Bluelab Guardian pH Probe or a Meter Probe\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThis is the same electrode across the range, so it goes into any Bluelab instrument with a \u003cstrong\u003eBNC\u003c\/strong\u003e connection. That covers the Combo meter, the handheld pH meters and the Guardian monitors. The cable is \u003cstrong\u003e2 metres\u003c\/strong\u003e, or \u003cstrong\u003e6.6 feet\u003c\/strong\u003e, in a polycarbonate body with a waterproof joint. The reference is \u003cstrong\u003edouble junction\u003c\/strong\u003e, which is what buys it a longer working life than a single junction electrode in a nutrient tank. It is gel filled and non-refillable, so there is nothing to top up and nothing to service beyond cleaning. Two limits are worth knowing in advance. It works between \u003cstrong\u003e0 and 60°C\u003c\/strong\u003e. It also wants a solution of \u003cstrong\u003e0.2 EC or above\u003c\/strong\u003e, so pure water and fresh reverse osmosis give it too little to read. A probe holder with a suction cup and a KCl filled storage cap come in the box.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits the whole BNC range:\u003c\/strong\u003e Combo meters, handheld pH meters and Guardian monitors all take this probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the probe, not the meter:\u003c\/strong\u003e A worn electrode is a consumable. The instrument behind it is not.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble junction reference:\u003c\/strong\u003e Longer working life in a nutrient tank than a single junction electrode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel filled, non-refillable:\u003c\/strong\u003e Nothing to top up. Cleaning is the whole of the maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 metre cable:\u003c\/strong\u003e Or 6.6 feet, in a polycarbonate body with a waterproof cable joint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeeds 0.2 EC or above:\u003c\/strong\u003e Pure water and fresh reverse osmosis give the probe too little to read.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks from 0 to 60°C:\u003c\/strong\u003e Outside that band the readings stop being reliable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHolder and storage cap included:\u003c\/strong\u003e A suction cup holder, plus a KCl filled cap to keep the tip wet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate monthly:\u003c\/strong\u003e More often under heavy use, continuous monitoring or organic nutrients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix month warranty:\u003c\/strong\u003e Bluelab's standard cover on a replacement probe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; 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It covers \u003cstrong\u003eppm 500 from 0 to 5000\u003c\/strong\u003e, \u003cstrong\u003eppm 700 from 0 to 7000\u003c\/strong\u003e and \u003cstrong\u003eEC from 0.0 to 10.0\u003c\/strong\u003e. Accuracy runs \u003cstrong\u003e±50 ppm\u003c\/strong\u003e on the 500 scale, \u003cstrong\u003e±70\u003c\/strong\u003e on the 700 and \u003cstrong\u003e±0.1 EC\u003c\/strong\u003e, measured at 25°C. Temperature comes along as well, \u003cstrong\u003e0 to 50°C\u003c\/strong\u003e or \u003cstrong\u003e32 to 122°F\u003c\/strong\u003e, to within a degree. Automatic temperature compensation does quiet work behind all of it. On an uncompensated meter a cold reservoir reads low and a warm one reads high. That gap is wide enough to move a feeding decision. This one arrives factory calibrated, so the first reading is a reading rather than a setup job.\u003c\/p\u003e\n\u003ch2\u003eLiving With a Conductivity Pen Day to Day\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe care routine is short. Rinse it under running water after every use so nutrient salts do not build up on the electrodes. Clean the probe properly about every two weeks. That is the whole of it, and skipping it is the usual reason a pen starts reading oddly. Calibration is optional on a conductivity meter, which is not true of a pH one. A bottle of \u003cstrong\u003e2.77 EC\u003c\/strong\u003e standard is a check here, not a chore. The body is fully waterproof and it floats, which matters more than it sounds when you are leaning over a full tank. A backlit screen, a hold function, auto off and a low battery warning cover the rest, on one \u003cstrong\u003eAAA\u003c\/strong\u003e cell. The probe is not replaceable. When the electrodes eventually go, the pen goes with them. Anyone who would rather change a probe than a meter should look at the OnePen.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable units:\u003c\/strong\u003e ppm 500, ppm 700 or EC, so it matches whichever scale your nutrient chart uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReads to ±50 ppm:\u003c\/strong\u003e On the 500 scale, or ±70 on the 700 scale and ±0.1 EC at 25 degrees.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation:\u003c\/strong\u003e A cold tank reads low on an uncompensated meter. This one corrects for it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature as well:\u003c\/strong\u003e 0 to 50 degrees Celsius, or 32 to 122 Fahrenheit, to within a degree.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory calibrated:\u003c\/strong\u003e Ready on arrival, and calibration stays optional rather than routine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof and it floats:\u003c\/strong\u003e Useful the first time it goes into a full reservoir by accident.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo week cleaning cycle:\u003c\/strong\u003e Rinse after each use, clean the probe properly every couple of weeks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklit with hold and auto off:\u003c\/strong\u003e Plus a low battery warning, all running from a single AAA cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe is not replaceable:\u003c\/strong\u003e When the electrodes fail the pen is finished. The OnePen takes a new probe.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne year warranty:\u003c\/strong\u003e Repair or replacement, from Bluelab.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e716482\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePPM \/ Conductivity Pen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeasures\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductivity and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.0 to 10.0 EC, ±0.1 at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eppm 500 Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 5000 ppm, ±50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eppm 700 Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 7000 ppm, ±70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 50°C \/ 32 to 122°F, ±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUnits\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSelectable for conductivity and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBacklit LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFunctions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHold, auto off, low battery warning, calibration indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFactory calibrated. Optional, using 2.77 EC standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFully waterproof, floats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 x AAA alkaline battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProbe\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNot user replaceable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCleaning\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eRinse after each use, clean the probe every two weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 year repair or replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297209635030,"sku":"716482","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-conductivity-pen-1.webp?v=1789492953"},{"product_id":"bluelab-pulse-multimedia-ec-mc-meter","title":"Bluelab Pulse Multimedia EC\/MC Meter | Moisture, EC and Temp","description":"\u003ch2\u003eWhat the Bluelab Pulse Meter Measures, and What It Does Not\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThree readings, taken by pushing the probes into the substrate. Conductivity, volumetric moisture content and temperature. It does not read pH, and no amount of looking will find a pH mode on it. The ranges are specific. Temperature covers 5 to 40 degrees Celsius, which is 40 to 104 Fahrenheit, to within one degree. Conductivity runs 0 to 15, accurate to 0.2 across the lower half and to 8% above a reading of five. Moisture covers 5% to 70% in mixed media and coir, to within 5%. The probes are stainless steel, long format, and measure 8 in or 200 mm. One AA battery runs it. Readings pass over Bluetooth to the Pulse app, which runs on iOS and Android in five languages. Data exports from the app for review across a cycle. The single most useful operational fact is what the meter does not need. There is no calibration, no calibration solution and no thirty day reminder to ignore. Warranty on the meter runs one year.\u003c\/p\u003e\n\u003ch2\u003eThe Pulse Meter Rockwool Limit, and Other Media It Cannot Read\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eBluelab are explicit about this, and it decides whether the tool suits your room. The meter does not work in media with large voids, which rules out perlite. It also does not work in media that can be permanently distorted, which rules out rockwool. The reason sits in how the reading is taken. Two probes measure the material between them, so an air void reads as dry substrate. A slab that deforms around a spear never springs back to its original density. That means the second reading is of the channel you made, not the slab. That leaves a wide field where it does work: soil, coco coir, potting mix, other mixed media and nutrient solution itself. Pot size matters here as well. Bluelab set a minimum of two litres, or half a gallon, since probes in a small pot read the container as much as the medium. For a grower on slabs the honest answer is a different tool. Runoff conductivity, or a sensor built to live inside a slab, will tell you more than a handheld spear ever can.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree readings in one push:\u003c\/strong\u003e Volumetric moisture, conductivity and temperature from the root zone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo calibration at all:\u003c\/strong\u003e No solutions and no reminder, unlike every pH meter in the range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture 5% to 70%:\u003c\/strong\u003e In mixed media and coir, accurate to within five percent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductivity 0 to 15:\u003c\/strong\u003e Accurate to 0.2 below a reading of five, and to 8% above it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 in stainless probes:\u003c\/strong\u003e Long format, 200 mm, pushed straight into the substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth to the Pulse app:\u003c\/strong\u003e On iOS and Android, with data export across a growing cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot for rockwool or perlite:\u003c\/strong\u003e Bluelab rule out voided and permanently deformable media.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo litre minimum pot:\u003c\/strong\u003e Below half a gallon the probes read the container, not the medium.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e716439\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluelab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePulse Multimedia EC\/MC meter, handheld\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeasures\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductivity, volumetric moisture content and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDoes not measure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003epH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5 to 40 C \/ 40 to 104 F, accuracy plus or minus 1 C or 2 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductivity range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 15; accuracy 0.2 from 0.0 to 5.0, and 8% from 5.0 to 15.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMoisture range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5% to 70% in mixed media and coir, accuracy plus or minus 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProbes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eStainless steel, long format, 8 in \/ 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1x AA alkaline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnectivity\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBluetooth 4.0 or higher to the Bluelab Pulse app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eApp platforms\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eiOS and Android, in five languages\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMinimum pot size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 litres \/ 0.5 gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSuitable media\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSoil, coco coir, potting mix, mixed media and nutrient solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUnsuitable media\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePerlite (large voids) and rockwool (permanently distorted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 year limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBarcode\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e9421024920982\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297209733334,"sku":"716439","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab-pulse-multimedia-ec-mc-meter-1.webp?v=1790868566"},{"product_id":"dosatron-mini-seal-kit-for-water-powered-doser-14-gpm-1-3000-to-1-333","title":"Dosatron Mini Seal Kit for Water Powered Doser 14 GPM 1:3000 to 1:333","description":"\u003cp\u003eMini-maintenance seal kit for Dosatron Dosers - should be replaced on an annual basis.\u003c\/p\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":46297230278870,"sku":"PJDI139MINI-H","price":73.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dosatron_hykstart_illustration_1_1_1_1_1_1_1_1_1.jpg?v=1735347366"},{"product_id":"dosatron-water-powered-doser-14-gpm-1-500-to-1-50-3-4-in-d14mz2vfbphy","title":"Dosatron D14MZ2 Water Powered Doser | 14 GPM, 1:500 to 1:50","description":"\u003ch2\u003eWhat the Dosatron D14MZ2 Does Without Power\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Dosatron D14MZ2 needs no electricity at all. Line pressure drives the piston, the piston draws concentrate in proportion to flow, and the mix leaves downstream at the ratio you set. Rate holds whether the line runs at \u003cstrong\u003e0.05 or 14 GPM\u003c\/strong\u003e, and pressure can sit anywhere from \u003cstrong\u003e4.3 to 85 PSI\u003c\/strong\u003e. Dose range is \u003cstrong\u003e1:500 to 1:50\u003c\/strong\u003e, which is 0.2 to 2%.\u003c\/p\u003e\n\u003ch2\u003eReading the Model Code on a Water Powered Doser\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe suffix is not decoration. On a \u003cstrong\u003ewater powered doser\u003c\/strong\u003e the letters after the model tell you what you are getting, and nobody explains them. \u003cstrong\u003eVF\u003c\/strong\u003e is Viton seals, which handle the acids and fertiliser salts that degrade a standard seal. \u003cstrong\u003eBP\u003c\/strong\u003e is the integral bypass, so plain water can run the same line without pulling the unit. \u003cstrong\u003eHY\u003c\/strong\u003e is the hydroponic build. Beyond the code, the numbers that matter are dose and connection. Injection runs \u003cstrong\u003e7.5 to 75 mL per gallon\u003c\/strong\u003e through a \u003cstrong\u003e3\/4 in NPT\u003c\/strong\u003e body in polypropylene. It stands \u003cstrong\u003e19-1\/8 in\u003c\/strong\u003e by 6-5\/16 in and weighs \u003cstrong\u003e6 lbs\u003c\/strong\u003e. Feed water should stay under \u003cstrong\u003e104 F\u003c\/strong\u003e. The box holds a 6 ft suction tube, strainer, weight, mounting bracket, bypass and the manual.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo electricity, ever:\u003c\/strong\u003e Line pressure drives the piston. Nothing to wire and nothing to trip a breaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProportional at any flow:\u003c\/strong\u003e The ratio holds from 0.05 to 14 GPM, so a part open valve doses the same.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:500 to 1:50:\u003c\/strong\u003e 0.2 to 2%, or 7.5 to 75 mL per gallon, set on the barrel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVF means Viton seals:\u003c\/strong\u003e They take the acids and salts that degrade a standard seal on a feed line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBP means an integral bypass:\u003c\/strong\u003e Run plain water down the same line without pulling the unit out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4 in NPT, 6 lbs:\u003c\/strong\u003e 19-1\/8 x 6-5\/16 in in polypropylene. Keep feed water under 104 F.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD14MZ2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFull Part Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD14MZ2VFBPHY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater powered proportional injector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDilution Ratio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1:500 to 1:50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePercentage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.2 to 2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInjection Rate\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7.5 to 75 mL per gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater Flow\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.05 to 14 GPM, 0.19 to 50 LPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4.3 to 85 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3\/4 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSeals\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eViton, the VF suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBypass\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIntegral, the BP suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBuild\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHydroponic, the HY suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e19-1\/8 in x 6-5\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Water Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e104 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6 ft suction tube, strainer, weight, mounting bracket, bypass, manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/JzLET08gp88?rel=0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"Dosatron - Dilution Solution","offers":[{"title":"Default Title","offer_id":46297230442710,"sku":"D14MZ2VFBPHY","price":713.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dosatron-d14mz2-14gpm-1-500-main-v1.webp?v=1787950770"},{"product_id":"dosatron-water-powered-doser-40-gpm-1-100-to-1-20-1-1-2-in-d8re5vfbphy","title":"Dosatron Water Powered Doser 40 GPM 1:100 to 1:20 - 1-1\/2 in (D8RE5VFBPHY)","description":"\u003ch2\u003eWhere the Dosatron D8RE5 Fits a Big Line\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eTwo numbers place it. Flow runs \u003cstrong\u003e2.2 to 40 GPM\u003c\/strong\u003e on a \u003cstrong\u003e1-1\/2 in NPT\u003c\/strong\u003e body, and dose runs \u003cstrong\u003e1:100 to 1:20\u003c\/strong\u003e. That is 1 to 5%, or \u003cstrong\u003e37.5 to 190 mL per gallon\u003c\/strong\u003e. It sits at the concentrated end of the D8RE range rather than the dilute one.\u003c\/p\u003e\n\u003ch2\u003ePicking a Fertilizer Injector by Ratio, Not Size\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eFlow tells you what fits the pipe. Ratio tells you what the machine is for, and that is the common mistake when choosing a \u003cstrong\u003efertilizer injector\u003c\/strong\u003e. At 1:20 this unit puts nearly \u003cstrong\u003e190 mL in every gallon\u003c\/strong\u003e. That suits thick organic feeds, teas and heavy stock solutions, where a dilute injector runs out of adjustment. If your recipe sits nearer 1:500, the D8RE2 is the model. If you are metering acid or a trace element in parts per million, the D8RE3000 is. Pressure tolerance is wide, \u003cstrong\u003e2.2 to 116 PSI\u003c\/strong\u003e. The unit stands about \u003cstrong\u003e25-15\/16 in\u003c\/strong\u003e by 8-1\/2 in and weighs \u003cstrong\u003e12 lbs\u003c\/strong\u003e. Feed water should stay under \u003cstrong\u003e104 F\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.2 to 40 GPM on 1-1\/2 in:\u003c\/strong\u003e Sized for a main line rather than a bench feed or a single room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:100 to 1:20:\u003c\/strong\u003e 1 to 5%, or 37.5 to 190 mL per gallon. The concentrated end of the range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater powered:\u003c\/strong\u003e Line pressure runs it. No cord, no controller and no breaker.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.2 to 116 PSI:\u003c\/strong\u003e A wide tolerance, so a swing in mains pressure does not change the dose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViton seals and a bypass:\u003c\/strong\u003e VF for fertiliser salts and acids. BP lets plain water pass without removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12 lbs, about 26 in tall:\u003c\/strong\u003e Mounting bracket, suction hose, union, weighted strainer and guide included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD8RE5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFull Part Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD8RE5VFBPHY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater powered proportional injector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDilution Ratio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1:100 to 1:20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePercentage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 to 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInjection Rate\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e37.5 to 190 mL per gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWater Flow\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.2 to 40 GPM, 8.32 to 151 LPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.2 to 116 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1-1\/2 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSeals\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eViton, the VF suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBypass\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIntegral, the BP suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBuild\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHydroponic, the HY suffix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 25-15\/16 in x 8-1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e12 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Water Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e104 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMounting bracket, suction hose, bypass, union, weighted strainer, quick start guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":46297230541014,"sku":"709036","price":1842.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dosatron-d8re5-40gpm-1-100-main-v1.webp?v=1787950770"},{"product_id":"dosatron-water-powered-doser-40-gpm-1-500-to-1-50-1-1-2-in-d8re2vfbphy","title":"Dosatron D8RE2 Water-Powered Doser, 40 GPM, 1:500 to 1:50, 1-1\/2 in (D8RE2VFBPHY)","description":"\u003ch2\u003eDosatron D8RE2: Proportional Dosing Powered by Water Flow\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eThis doser installs straight into the supply line and uses water pressure as its only power source. Water passing through drives a hydraulic piston motor inside the body. Each stroke draws a set amount of concentrate from your stock tank and mixes it with the incoming water. The mixed solution then moves on downstream to the irrigation lines. Because the motor speed follows the flow, the dose stays proportional whether the line runs fast or slow. The working range is \u003cstrong\u003e2.2 to 40 GPM\u003c\/strong\u003e, at line pressures from 0.15 to 8 bar. The ratio adjusts from outside the unit between 1:500 and 1:50, which is 0.2 to 2%. That works out to roughly 0.26 to 2.6 fluid ounces of concentrate per gallon of water. Connections are 1-1\/2 in male threads, with water flowing in the direction of the arrows on the body. The unit stands just over 25 in tall and weighs about 7.3 lb. Maximum operating temperature is 104°F. It ships with a mounting bracket, suction tube, weighted strainer, bypass, union and quick start guide.\u003c\/p\u003e\u003ch2\u003eSetting Up a Fertilizer Injector on the Main Line\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eMount the bracket on a wall or post where the unit stays upright and easy to reach. Dosatron recommends a filter upstream, around 300 mesh or 60 microns, and requires one for the warranty. Well water makes that filter even more important. Plumbing on a bypass lets clean water run without the doser and makes service simpler. Cut the suction tube to length and fit its strainer and weight. Hang the strainer at least four inches above the bottom of the stock tank so sediment stays out of the injector. The solution level must never sit above the water inlet, which prevents siphoning. Maximum suction height is about 13 vertical feet. To prime quickly, set the ratio to maximum, then dial back to your target once concentrate flows. The motor clicks as it runs, and two clicks equal one cycle. Count clicks over fifteen seconds to estimate flow through the line. Flush the unit with clean water after each use, especially with fertilizers that can crystallize.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater-powered:\u003c\/strong\u003e No electricity; line pressure drives the piston motor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProportional dosing:\u003c\/strong\u003e Dose follows flow across 2.2 to 40 GPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:500 to 1:50 ratio:\u003c\/strong\u003e Externally adjustable from 0.2 to 2%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-1\/2 in connections:\u003c\/strong\u003e Sized for main supply lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide pressure range:\u003c\/strong\u003e Runs from 0.15 to 8 bar of line pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBypass and union included:\u003c\/strong\u003e Service the doser while clean water keeps flowing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD8RE2VFBPHY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFlow range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.2 to 40 GPM (500 l\/h to 8 m³\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOperating pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.15 to 8 bar (2.2 to 116 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInjection ratio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1:500 to 1:50 (0.2 to 2%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConcentrate per gallon\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 0.256 to 2.56 fl oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConcentrate injection rate\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 to 160 l\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnections\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1-1\/2 in male NPT\/BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMaximum operating temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e104°F (40°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMotor capacity\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 0.449 gal per 2 clicks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMaximum suction height\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e13 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDiameter x width\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6.9 x 8.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e25.26 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eRecommended filter\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e300 mesh (60 micron) upstream\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMounting bracket, suction tube, weighted strainer, bypass, union, quick start guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":46297230573782,"sku":"709011","price":1454.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dosatron-water-powered-doser-40-gpm-1-500-to-1-50-1-1-2-in-d8re2vfbphy-1.webp?v=1793637382"},{"product_id":"dosatron-water-powered-nutrient-doser-d14mz10-14-gpm-1-100-to-1-10","title":"Dosatron Water Powered Doser D14MZ10-HY, 14 GPM, 1:100 to 1:10, with Bypass","description":"\u003ch2\u003eDosatron D14MZ10: Proportional Dosing From Water Pressure Alone\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThis is the hydroponics version of the D14MZ10 from Dosatron, part number D14MZ10VFBPHY. It runs entirely on the pressure of incoming water, with no electricity or controller. Water flowing through the unit drives a piston that draws concentrate and injects it in proportion to the flow. That means the dose stays consistent whether the line is running at a trickle or near full flow. The injection ratio adjusts from 1:100 to 1:10, which is 1% to 10%, or about 1.28 to 12.8 ounces of concentrate per gallon. The working range is 0.05 to 14 GPM at 7 to 85 PSI through 3\/4-inch NPT connections. The HY build uses Viton seals, which suit acidic chemistries with a pH of 7.0 and lower. It measures 19 1\/8 by 6 5\/16 inches and weighs about 6 lbs. Dosatron covers it with a 12-month standard warranty.\u003c\/p\u003e\n\u003ch2\u003eSetting Up a Water Powered Doser on an Irrigation Line\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA water powered doser needs clean water and a steady supply, so plan the plumbing before mounting it. Put a screen filter and, where supply can exceed 14 GPM, a flow restrictor on the inlet side. This kit includes the integrated bypass, so nutrients can be switched off without rerouting water. The mounting bracket, suction hose, union and weighted strainer also come in the box. Mount the unit on a wall with the arrow following the flow, and drop the strainer into the concentrate tank. Set the ratio on the sleeve, then check the output with an EC meter at the far end of the line. The 10% ceiling suits concentrated stock tanks and higher-dose feeds. Growers running single-part feeds at lower rates may find a 1% to 2% model easier to fine-tune. Rinse the unit with clean water after dosing acids or organics to keep the seals in good shape.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater-Powered:\u003c\/strong\u003e No electricity; dosing tracks the flow of the line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1:100 to 1:10 (1% to 10%):\u003c\/strong\u003e About 1.28 to 12.8 oz of concentrate per gallon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.05 to 14 GPM, 7 to 85 PSI:\u003c\/strong\u003e Covers small benches up to mid-size irrigation zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eViton Seals (HY):\u003c\/strong\u003e Specified by Dosatron for acidic feeds at pH 7.0 and lower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Bypass:\u003c\/strong\u003e Switch nutrients on and off without rerouting water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Bracket, suction hose, bypass, union, weighted strainer and quick start guide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDosatron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD14MZ10-HY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD14MZ10VFBPHY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDilution Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1:100 to 1:10 (1% to 10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOunces per Gallon\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1.28 to 12.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFlow Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.05 to 14 GPM (0.19 to 50 LPM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOperating Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7 to 85 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3\/4 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSeals\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eViton, for acidic chemistries (pH 7.0 and lower)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e19 1\/8 x 6 5\/16 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMounting bracket, suction hose, bypass, union, weighted strainer, quick start guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e12 months standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\n\u003ciframe src=\"\/\/www.youtube.com\/embed\/vQqyNVsTZRs\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ciframe src=\"\/\/www.youtube.com\/embed\/nwIANPUS_ME\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003c\/div\u003e","brand":"Dosatron - Dilution Solution","offers":[{"title":"Default Title","offer_id":46297230639318,"sku":"D14MZ10VFBPHY","price":1190.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dosatron-d14mz10-doser.webp?v=1790001297"},{"product_id":"dutch-lighting-innovations-dlm-series-4-zone-controller","title":"Dutch Lighting Innovations DLM-Series 4 Zone Controller","description":"\u003ch2\u003eA 4-zone lighting controller for DLI fixtures\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe DLM-4 splits a facility into four independent zones, each driving up to 256 DLI fixtures and reading its own temperature sensor. That is up to 1024 lights and four zones of climate feedback from a single controller. A digital time clock schedules each zone, and if a zone runs above its set point the DLM-4 dims those lights to protect the crop. Growers register the unit to pull firmware updates and rely on error logging to trace a fault fast.\u003c\/p\u003e\n\u003ch2\u003ePer-zone control on the DLM-4\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eWiring is simple: a DIN-type bracket clips the unit to a wall or panel, and interconnecting communication cables link the zones. It runs on 12VDC at 200mA, carries ETL and FCC marks, and reaches devices up to 1000 meters per zone. A backlit LCD shows status at nine lines by sixteen characters. One note: the communication cables come in several lengths and are chosen to fit your layout.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour Independent Zones:\u003c\/strong\u003e Runs up to 256 DLI fixtures per zone, 1024 total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePer-Zone Temp Sensors:\u003c\/strong\u003e Each zone reads its own temperature for local control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverheat Dimming:\u003c\/strong\u003e Dims a zone's lights when it climbs above the set point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Time Clock:\u003c\/strong\u003e Schedules each zone from the on-unit clock.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eError Logging:\u003c\/strong\u003e Logs faults so you can trace and fix issues fast.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Mount:\u003c\/strong\u003e Clips to a wall or panel with a simple DIN bracket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Updates:\u003c\/strong\u003e Register the unit to download and install updates.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eZones\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 independent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Fixtures\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1024 (256 HID per zone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAll DLI fixtures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemp Sensors\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 per zone (4 total)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e12VDC @ 200mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eZone Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e12VDC (3 zones) \/ 24VDC (1-2 zones)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eETL\/FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIngress Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBacklit LCD, 9 lines x 16 char\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Distance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1000 m per zone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5.71 x 2.95 x 1.97 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDIN-type bracket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dlm-4-zone-controller-connections.jpg\" alt=\"DLI DLM 4 Zone Controller Connection Chart\" title=\"DLI DLM 4 Zone Controller Connection Chart\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dlm-4-zone-controller-contents.jpg\" alt=\"DLI DLM 4 Zone Controller Contents\" title=\"DLI DLM 4 Zone Controller Contents\"\u003e\u003c\/div\u003e","brand":"Dutch Lighting Innovations","offers":[{"title":"Default Title","offer_id":46297232408790,"sku":"DLI-DLM-4-Zone","price":339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Dutch_Lighting_Innovations_DLM-Series_4_Zone_Controller_main_image_1050_x_1050.webp?v=1783462773"},{"product_id":"fluence-dimmer","title":"Fluence LED Dimmer Controller","description":"\u003ch2\u003eSetting Intensity With the Fluence LED Dimmer Controller\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA dimmer is the part of a Fluence room that most growers bolt on after the fixtures are already hanging. This one is a single-channel wall unit outputting either a \u003cstrong\u003e0-10V\u003c\/strong\u003e analog signal or a \u003cstrong\u003ePWM\u003c\/strong\u003e signal, set by a switch on the housing. It leaves the factory pre-set to the analog signal, so a room running Fluence drivers works on first power-up without anyone touching that switch. Intensity covers the full 0 to \u003cstrong\u003e100%\u003c\/strong\u003e range and the digital readout shows the number rather than a vague dial position. Source and sink current is rated at \u003cstrong\u003e40 mA DC\u003c\/strong\u003e, and that current is what caps the chain. Fluence now puts the recommended ceiling at \u003cstrong\u003e25 fixtures\u003c\/strong\u003e, or 32 mA of loading, across no more than \u003cstrong\u003e200 feet\u003c\/strong\u003e of signal wire. Run the wire longer than that and signal strength falls off, which quietly reduces how many fixtures actually track the dimmer. The unit takes \u003cstrong\u003e120V AC\u003c\/strong\u003e and runs on 12 VDC at \u003cstrong\u003e0.5 A\u003c\/strong\u003e through a barrel connector. Two 2-position terminal connectors land the dimming signal wires, and one of them is a spare.\u003c\/p\u003e\n\u003ch2\u003eMounting the Grow Light Dimmer and What Ships With It\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eMount it on a wall near the fixtures rather than out by the door, because the signal-wire budget gets spent fast in a long room. Screws and drywall anchors come in the box. Keep it clear of the wet zone and anything that gets splashed during irrigation, and dry your hands before touching the buttons. Fluence rates it for spaces under eighty percent relative humidity, which rules out a lot of flower rooms at lights-out. A wall in a dry corridor outside the canopy is the usual answer. The LiPo backup battery holds the intensity setting through a short outage, so the room comes back where you left it instead of at full. \u003cstrong\u003eThis unit ships with its power cord, and Fluence has confirmed that the AC wall adapter is sold separately\u003c\/strong\u003e. That adapter is Fluence part DM2AA-DPA1BCMTAP, and without it the dimmer has no wall power. Growers running a combined power and dimming whip can skip it, since the fixture feeds the dimmer down the same cable. It is not a timer, so photoperiod still belongs to a contactor or an AC timer upstream. The dimming signal cable is a separate item too, and which one depends on whether the fixture takes M12 or M16.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Signal Output:\u003c\/strong\u003e Pushes either a 0-10V analog or a PWM signal, chosen with a switch on the housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Intensity Readout:\u003c\/strong\u003e Shows the exact set point instead of leaving you guessing at a dial position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-Backed Setting:\u003c\/strong\u003e A LiPo cell holds your intensity level through a brief outage so nothing resets to full.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChain Capacity:\u003c\/strong\u003e Fluence rates a recommended 25 fixtures at 32 mA of loading over 200 feet of signal wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall-Mount Hardware Included:\u003c\/strong\u003e Screws, drywall anchors and two terminal connectors ship in the box, one of them a spare.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluence Fixture Compatibility:\u003c\/strong\u003e Works with SPYDR 1 and 2, VYPR 3, RAY, RAZRm, RAZRx and RAZR 2 through 4.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #333; color: #fff;\"\u003e\n\u003cth style=\"padding: 8px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFluence Whisper 2.0 Dimmer (AC\/DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDimming Signals\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e0-10V ±0.1V or PWM 0-100% ±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDimming Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e0-100% light intensity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSource \/ Sink Current\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e40 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eRecommended Fixture Count\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e25 units (32 mA, 80% max loading)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eMax Signal Wire Run\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e200 ft (61 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eInput Power\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e120V AC, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDC Supply\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e12 VDC at 0.5 A (barrel connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eBackup Battery\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eLiPo, 600 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e3.92 in L x 3.43 in W x 1.35 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e5 oz (142 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eBelow 80% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFixture Compatibility\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSPYDR 1, SPYDR 2, VYPR 3, RAY, RAZRm, RAZRx, RAZR 2\/3\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eIn The Box\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDimmer, power cord, two 2-position terminal connectors, mounting hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003e\u003cspan style=\"color: rgb(206, 112, 18);\"\u003e\u003cstrong\u003eSold Separately\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eAC wall adapter (DM2AA-DPA1BCMTAP), dimming signal cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fluence","offers":[{"title":"Default Title","offer_id":46297241518294,"sku":"C-W-U","price":153.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/fluence-dimmer-controller-c-w-u-main-v1.webp?v=1789754021"},{"product_id":"gavita-el3-to-titan-sensor-adapter-cable","title":"Gavita EL3 to Titan Sensor Adapter Cable | VPD and Substrate Sensor Link","description":"\u003ch2\u003eWhat the Titan Sensor Adapter Cable Connects\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThis short lead joins two control systems that use different plugs. One end fits the Gavita Master Controller EL3, and the other fits a Titan Controls sensor. It connects the first sensor in the chain, either the Tali 3-in-1 VPD sensor or the Triton substrate sensor. Any further Titan sensors link onward from that first unit, so a single adapter serves the whole chain. The Tali reads temperature, humidity and air pressure, then calculates vapour pressure deficit for the room. The Triton reads EC, volumetric water content and temperature in the growing media. With those readings on the EL3, lighting, climate and irrigation decisions come from one screen. The EL3 accepts up to \u003cstrong\u003e16 sensors\u003c\/strong\u003e in total. The cable runs about \u003cstrong\u003e15.75 in (40 cm)\u003c\/strong\u003e, enough to reach from the controller to a nearby sensor or splitter. It carries Gavita part number HGC906729.\u003c\/p\u003e\n\u003ch2\u003eSetting Up Titan Sensors on a Gavita EL3 Controller\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA Gavita EL3 controller with Titan sensors gives one place to watch light, VPD and root-zone data together. Power down the controller before connecting or moving any sensor cable. Plug the adapter into the EL3 first, then into the first Titan sensor in the run. Daisy-chain the remaining sensors from there, keeping each lead clear of ballast and mains cables. Hang the Tali VPD sensor at canopy height, out of direct light and fan blast, for readings that match what plants feel. Push the Triton probe fully into a representative block or pot, away from drippers and the container wall. Power up and confirm each sensor appears on the EL3 touchscreen before relying on its data. Label the adapter end so it is not swapped for a lighting interconnect during maintenance. Check connectors every few runs, since humidity and nutrient splash can corrode contacts. Set up carefully, the room's lighting and climate data live on one controller instead of three separate displays.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEL3 to Titan link:\u003c\/strong\u003e Joins the Gavita EL3 and Titan Controls sensors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFirst sensor in chain:\u003c\/strong\u003e Further sensors daisy-chain onward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVPD and substrate:\u003c\/strong\u003e Works with the Tali VPD and Triton substrate sensors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 16 sensors:\u003c\/strong\u003e Accepted by the EL3 in total.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact length:\u003c\/strong\u003e About 15.75 in (40 cm).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Gavita-Master-Controller.png\" alt=\"Gavita Master Controller EL3\" title=\"Gavita Master Controller EL3\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan-controls-grow-room-sensors.png\" alt=\"Titan Controls Grow Room Sensors\" title=\"Titan Controls Grow Room Sensors\"\u003e\u003c\/div\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGavita\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHGC906729\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor adapter cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eController\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGavita Master Controller EL3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensors\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTitan Controls Tali 3-in-1 VPD sensor, Titan Controls Triton substrate sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFirst sensor in a daisy chain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e15.75 in (40 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e849969000726\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Titan Controls","offers":[{"title":"Default Title","offer_id":46297243812054,"sku":"HGC906729","price":20.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/gavita-el3-to-titan-sensor-adapter-cable-1.webp?v=1791999346"},{"product_id":"gavita-master-controller-el3","title":"Gavita Master Controller EL3","description":"\u003ch2\u003eA grow light controller for up to 512 fixtures\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe EL3 switches, dims, and boosts up to 512 fixtures across two zones, 256 per zone, from a single 8-inch color touchscreen. Whether the fixtures hang over greenhouse benches or an indoor grow room, you run schedules from one panel instead of walking the rows. It reads power draw and driver-enclosure temperature per fixture, so a hot or failing driver surfaces before it costs you a cycle. Sunrise and sunset dimming ease the room in and out of each photoperiod.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eIn a greenhouse, it manages supplemental lighting and day-length across zones as natural light shifts through the season. In a sealed indoor room, it holds a tight photoperiod so a full canopy of plants stays on the same clock. Growers wire it to compatible Gavita 1930e, 1700e, 900e, or Sun System 1850 fixtures and run whole grow cycles on one schedule. Managing the room from one screen cuts the walking, guesswork, and missed timers that cost yield.\u003c\/p\u003e\n\u003ch2\u003eScheduling and safety on the Master Controller EL3\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eHigh-temperature dimming pulls output back as a room heats, and high-temperature shut-off cuts the lights if it crosses the line. That protects the canopy through a heat spike. A spray feature dims fixtures during applications to guard against crop burn during IPM. It connects up to 16 Titan Controls sensors for VWC, EC, and VPD data and logs setting and alarm history over USB. That log helps you dial in cycles and trace a fault later. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e512 Fixtures, Two Zones:\u003c\/strong\u003e Runs up to 256 fixtures per zone, 512 total, from one panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8-Inch Touchscreen:\u003c\/strong\u003e Color touchscreen sets schedules, dimming, and zones on the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunrise and Sunset Dimming:\u003c\/strong\u003e Ramps intensity up and down to ease each photoperiod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temp Dimming and Shut-Off:\u003c\/strong\u003e Pulls output back or cuts power when a room overheats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePer-Fixture Power and Temp Reading:\u003c\/strong\u003e Shows power draw and driver temperature for each fixture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpray Mode:\u003c\/strong\u003e Dims lights during spray applications to protect against crop burn.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e16 Titan Sensors:\u003c\/strong\u003e Connects up to 16 Titan Controls sensors for VWC, EC, and VPD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData Logging + USB Updates:\u003c\/strong\u003e Logs setting and alarm history and updates over USB.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #333; color: #fff;\"\u003e\n\u003cth style=\"padding: 8px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 8px; text-align: left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e8-inch color touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFixture Capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e512 (256 per zone, 2 zones)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDimming\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSunrise\/sunset, high-temp dimming\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSafety\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eHigh-temperature shut-off, spray mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFixture Readings\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003ePower draw + driver temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSensors\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eUp to 16 Titan Controls (VWC\/EC\/VPD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eData\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eLogging + USB updates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOperating Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eUp to 90% humidity, \u0026gt;50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #fff;\"\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCompatible Fixtures\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGavita 1930e, 1700e, 900e; Sun System 1850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Gavita-Master-Controller-EL3-HGC906174-Main-Image_1.jpg\" alt=\"Gavita Master Controller EL3 Main Image\" title=\"Gavita Master Controller EL3 Main Image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Gavita-Master-Controller-EL3-HGC906174-Connt-Interface.jpg\" alt=\"Gavita Master Controller EL3 Connection Interface Introduction\" title=\"Gavita Master Controller EL3 Connection Interface Introduction\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Gavita-Master-Controller-EL3-HGC906174-Dashboard.jpg\" alt=\"Gavita Master Controller Dashboard\" title=\"Gavita Master Controller Dashboard\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Gavita-Master-Controller-EL3-HGC906174-Box-Contents.jpg\" alt=\"Gavita Master Controller EL3 Box Contents\" title=\"Gavita Master Controller EL3 Box Contents\"\u003e\u003c\/div\u003e","brand":"Gavita","offers":[{"title":"Default Title","offer_id":46297244106966,"sku":"HGC906174","price":734.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Gavita_Master_Controller_EL3_main_image_1050_x_1050.webp?v=1783445629"},{"product_id":"green-air-products-independent-cooling-heating-thermostat-w-4-outlets-model-ct-ht-2","title":"Green Air Products Independent Cooling \u0026 Heating Thermostat w\/4 Outlets - Model CT-HT-2","description":"\u003cp\u003eThis controller features fully independent sensors for cooling and heating equipment. The cooling thermostat activates the left outlets of the controller and the heating thermostat activates the right outlets. If you require a tighter control of your temperature than the internal heatingcooling thermostats allow, alternate sensors are available with a 3 º differential External Coil or Remote Bulb Thermostat.\u003c\/p\u003e","brand":"Green Air Products","offers":[{"title":"Default Title","offer_id":46297248432342,"sku":"CT-HT-2","price":246.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/11712.jpg?v=1733841594"},{"product_id":"green-air-products-integrated-cooling-thermostat-dehumidistat-w-4-outlets-model-ct-dh-1","title":"Green Air Products Integrated Cooling Thermostat \u0026 Dehumidistat w\/ 4 Outlets - Model CT-DH-1","description":"\u003ch2\u003eGreen Air CT-DH-1 Cooling Thermostat and Dehumidistat\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe CT-DH-1 turns on exhaust or intake fans to pull unwanted \u003cstrong\u003eheat and humidity\u003c\/strong\u003e from a grow space. Internal sensors hold a \u003cstrong\u003e7°F\u003c\/strong\u003e temperature comfort zone (3°F with a remote bulb) and a \u003cstrong\u003e5%\u003c\/strong\u003e humidity span. All \u003cstrong\u003efour outlets\u003c\/strong\u003e are integrated, so any trip fires everything plugged in. Set your target temperature and humidity on the dials.\u003c\/p\u003e\n\u003ch2\u003ePlacing an Integrated Climate Controller\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003ePlug in circulation fans, exhaust fans, cooling gear, or a dehumidifier across the four outlets. Locate it where it samples average room air, not in a draft or direct light. Good circulation around the controller keeps its readings honest. It runs on 120V with a 15A maximum switching capacity. It is built for indoor use only.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemp and humidity control:\u003c\/strong\u003e Runs fans to pull both heat and moisture from the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7F comfort zone:\u003c\/strong\u003e Holds a 7F band (3F with a remote bulb) before cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5% humidity span:\u003c\/strong\u003e Tight differential keeps humidity from swinging wide.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 integrated outlets:\u003c\/strong\u003e Any temperature or humidity trip fires all four outlets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120V, 15A switching:\u003c\/strong\u003e Handles fans, coolers, and dehumidifiers up to 15A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCooling thermostat + dehumidistat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOutlets\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 (integrated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Span\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7°F (3°F with remote bulb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHumidity Span\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eControl\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDial set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e120 VAC, 15 A max switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIndoor only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Green Air Products","offers":[{"title":"Default Title","offer_id":46297248530646,"sku":"CT-DH-1","price":223.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/green_air_products_integrated_cooling_thermostat_dehumidistat_w_4_outlets_model_ct_dh_1_01.webp?v=1784228998"},{"product_id":"grower-s-choice-digital-lighting-master-controller","title":"Growers Choice Digital Lighting Master Controller","description":"\u003ch2\u003eA dual-zone lighting controller for greenhouses and grow rooms\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe controller splits into two independent channels, A and B, each daisy-chaining up to 100 fixtures for 200 total. A 0-11.5V signal dims smoothly from 10 to 115% output. A 24-hour cycle with 10-60 minute sunrise and sunset ramps eases plants into and out of each day. It works with Growers Choice CMH and DE fixtures and ROI Series LED. Growers set each zone on the LCD touchscreen and save the schedule per channel in seconds.\u003c\/p\u003e\n\u003ch2\u003eSafety and sensors on the master controller\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eEach channel gets its own thermal probe, so if a room overheats the controller auto-dims or shuts that zone down to protect the crop. NO\/NC alarm ports and dual ECM ports open up extra monitoring and automation. The compact 0.5 kg unit mounts on a wall or rack and runs on a 5VDC adapter. Worth noting: it is a lighting controller, so climate gear like fans or dehumidifiers runs on a separate environmental controller.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e200 Fixtures, Two Zones:\u003c\/strong\u003e Daisy-chains up to 100 fixtures per channel, 200 in total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0-11.5V Dimming:\u003c\/strong\u003e Smooth dimming from 10 to 115% output on both channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunrise\/Sunset Ramping:\u003c\/strong\u003e 10-60 minute ramps on a 24-hour cycle to ease plant transitions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Thermal Probes:\u003c\/strong\u003e Per-zone overheat protection auto-dims or shuts a channel down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLCD Touchscreen:\u003c\/strong\u003e Sets and saves each zone's schedule from the on-unit screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm + ECM Ports:\u003c\/strong\u003e NO\/NC alarm and dual ECM ports add monitoring and automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Fixture Support:\u003c\/strong\u003e Runs Growers Choice CMH and DE fixtures plus ROI Series LED.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 (A\/B, independent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Fixtures\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e200 (100 per channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimming Signal\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-11.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOutput Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e10%-115%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eRamping\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSunrise\/sunset, 10-60 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Sensors\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 (A\/B), overheat protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePorts\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAlarm NO\/NC (2), ECM (2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Cable per Group\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e100 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLCD touchscreen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInput\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5VDC \/ 2000mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGC CMH\/DE fixtures, ROI Series LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Growers Choice","offers":[{"title":"Default Title","offer_id":46297261932758,"sku":"GCLC001","price":371.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Growers_Choice_Digital_Lighting_Master_Controller_main_image_1050_x_1050.webp?v=1783451614"},{"product_id":"hanna-1413-us-cm-calibration-solution-16-oz","title":"Hanna 1413 uS-CM Calibration Solution -- 16 oz","description":"\u003ch2\u003eWhat a 1413 Conductivity Standard Is Actually For\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eOne value, \u003cstrong\u003e1413 µS\/cm\u003c\/strong\u003e, read at \u003cstrong\u003e25 °C\u003c\/strong\u003e, in a \u003cstrong\u003e500 mL\u003c\/strong\u003e bottle. It is prepared against \u003cstrong\u003eNIST 2202\u003c\/strong\u003e potassium chloride in deionised water, and that traceability is what makes the number on the label worth anything. The bottle is sealed and tamper proof, with a \u003cstrong\u003efive year\u003c\/strong\u003e expiry from manufacture while it stays unopened. A temperature chart is printed on the label.\u003c\/p\u003e\n\u003ch2\u003eUsing an EC Calibration Solution Without Fooling Your Meter\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eTemperature is the part most growers skip. The label value holds at seventy-seven degrees Fahrenheit, and a bottle that has been sitting in a cold shed will not read the same. That chart on the label exists for exactly that reason. Let it come to room temperature first. Give the probe two to three minutes to settle before you accept the reading, and rinse it before it goes back in the reservoir. One honest limit worth knowing. This is a single point standard, sitting close to where most feed solutions run. That makes it the right bottle for a routine check between feeds. A full two point calibration wants a second, much higher value as well.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1413 uS\/cm at 25 °C:\u003c\/strong\u003e The single point most EC meters and most feed solutions are checked against.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST 2202 traceable KCl:\u003c\/strong\u003e Prepared against a traceable potassium chloride standard in deionised water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 mL bottle:\u003c\/strong\u003e Enough for a season of routine checks without decanting from a lab jug.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature chart on the label:\u003c\/strong\u003e Read the value for the temperature you are actually working at.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed and tamper proof:\u003c\/strong\u003e Five year expiry from manufacture while the seal is intact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLet the probe settle:\u003c\/strong\u003e Two to three minutes in the solution before the reading counts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle point, by design:\u003c\/strong\u003e A full two point calibration needs a second, far higher standard as well.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7031L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductivity standard solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductivity Value\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1413 uS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eReference Temperature\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e25 °C, 77 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eVolume\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500 mL, about 16.9 fl oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eComposition\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePotassium chloride in deionised water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTraceability\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePrepared against NIST 2202 SRM potassium chloride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLabel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature chart printed on the bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePackaging\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAir-tight bottle, tamper-proof seal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5 years from manufacture, unopened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWith Certificate\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7031L\/C, the same standard supplied with a COA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSmaller Bottle\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7031M, 230 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSecond Calibration Point\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7030L at 12,880 uS\/cm, for two point calibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCalibrating EC, TDS and conductivity meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297267437782,"sku":"HI7031L","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-hi7031l-1413-conductivity-solution-1.webp?v=1789399497"},{"product_id":"hanna-1500ppm-calibration-solution","title":"Hanna 1500PPM Calibration Solution","description":"\u003ch2\u003eMatching a 1500 ppm TDS Solution to Your Meter\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThis standard is \u003cstrong\u003e1500 mg\/L\u003c\/strong\u003e, and the part number tells you which scale that number belongs to. The \u003cstrong\u003e442\u003c\/strong\u003e in HI70442L is the \u003cstrong\u003e4-4-2 conversion factor\u003c\/strong\u003e, about \u003cstrong\u003e0.65 ppm per µS\/cm\u003c\/strong\u003e, which works out near \u003cstrong\u003e2,300 µS\/cm\u003c\/strong\u003e. It is prepared against NIST traceable potassium chloride, sealed under a tamper-proof cap in a \u003cstrong\u003e500 mL\u003c\/strong\u003e bottle. The real conductivity figure across a range of temperatures is printed on the label.\u003c\/p\u003e\n\u003ch2\u003eWhy the Wrong TDS Calibration Solution Reads Wrong\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eMeters do not all speak the same dialect. A meter on the \u003cstrong\u003eppm500\u003c\/strong\u003e scale multiplies conductivity by 0.5, and one on \u003cstrong\u003eppm700\u003c\/strong\u003e multiplies by 0.7. Neither will land on the figure printed on this bottle. Check the scale setting before you blame the solution. If your meter is locked to the sodium chloride scale, Hanna makes a \u003cstrong\u003e1382 mg\/L\u003c\/strong\u003e standard for exactly that case. Past the scale question, the usual rules apply. Let the bottle reach room temperature before anything else, because a cold standard reads low. Give the probe two to three minutes to settle in the solution. Then read the chart on the label for the temperature you are actually working at, rather than assuming the headline figure.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e1500 mg\/L on the 4-4-2 scale:\u003c\/strong\u003e About 0.65 ppm per uS\/cm, so the meter has to be on the matching scale.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST traceable:\u003c\/strong\u003e Prepared against NIST 2202 potassium chloride, so the value is anchored.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500 mL bottle:\u003c\/strong\u003e Enough for routine checks through a full season of feeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature chart on the label:\u003c\/strong\u003e The real conductivity figure at the temperature you are standing in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed, tamper proof:\u003c\/strong\u003e Five years from manufacture while the seal stays intact.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck your meter scale first:\u003c\/strong\u003e ppm500 and ppm700 meters will not read the label figure on this bottle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlternative scale exists:\u003c\/strong\u003e Hanna HI7032L at 1382 mg\/L covers meters on the sodium chloride scale.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI70442L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTDS standard solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTDS Value\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1500 mg\/L, 1500 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eScale\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4-4-2, about 0.65 ppm per uS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eApproximate Conductivity\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 2,300 uS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eVolume\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500 mL, about 16.9 fl oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eComposition\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePotassium chloride in deionised water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTraceability\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePrepared against NIST 2202 SRM potassium chloride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLabel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature chart printed on the bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePackaging\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAir-tight bottle, tamper-proof seal, lot and expiry marked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShelf Life\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5 years from manufacture, unopened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOther Sizes\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI70442M 230 mL, HI70442\/1L 1 L, HI70442P 25 x 20 mL packets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOther Scale\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7032L at 1382 mg\/L, for sodium chloride scale meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUse\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCalibrating and checking TDS and PPM meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297267667158,"sku":"HI70442L","price":20.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-hi70442l-1500ppm-tds-solution-1.webp?v=1789399498"},{"product_id":"hanna-combo-hi98129-ph-ec-tds-temperature-tester-with-low-range-ec","title":"Hanna Combo HI98129 pH\/EC\/TDS\/Temperature Tester with Low Range EC","description":"\u003ch2\u003eWhat the Hanna Combo Meter Reads, and How Closely\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eFour values off one pen. pH runs \u003cstrong\u003e0.00 to 14.00\u003c\/strong\u003e at \u003cstrong\u003e±0.05\u003c\/strong\u003e, and conductivity \u003cstrong\u003e0 to 3999 µS\/cm\u003c\/strong\u003e. TDS reads \u003cstrong\u003e0 to 2000 ppm\u003c\/strong\u003e, with temperature from \u003cstrong\u003e-5 to 60 °C\u003c\/strong\u003e. Every reading is temperature compensated on its own. The pH electrode is a replaceable \u003cstrong\u003eHI73127\u003c\/strong\u003e cartridge with an extendable cloth junction. The conductivity electrode is graphite, which resists the salt build-up that kills a budget pen. It is waterproof, and it floats.\u003c\/p\u003e\n\u003ch2\u003eLiving With a pH and EC Meter That Floats\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eCalibrate the pH side against standard buffers, one point or two, and the conductivity side against a single standard. The meter expects that standard at \u003cstrong\u003e1413 µS\/cm\u003c\/strong\u003e or \u003cstrong\u003e1382 mg\/L\u003c\/strong\u003e, which is worth knowing before you reach for whichever bottle is nearest. The conversion factor is adjustable from \u003cstrong\u003e0.45 to 1.00\u003c\/strong\u003e, and the beta coefficient from \u003cstrong\u003e0 to 2.4% per °C\u003c\/strong\u003e. Both can be set to match the scale your feed chart uses. Four cells give roughly a hundred hours, and it powers down after eight idle minutes. The ceiling is worth checking first. Low range is in the name, and the conductivity limit covers most working feed solutions but not a concentrated stock tank.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour readings, one pen:\u003c\/strong\u003e pH, conductivity, TDS and temperature, without swapping instruments mid-check.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable pH cartridge:\u003c\/strong\u003e The HI73127 swaps out, so a spent electrode does not mean a new meter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraphite EC electrode:\u003c\/strong\u003e Resists the salt and residue build-up that shortens the life of a budget pen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation:\u003c\/strong\u003e pH and EC both corrected, so a cold reservoir does not skew the number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof, and it floats:\u003c\/strong\u003e Which is the feature you appreciate exactly once, in a full reservoir.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable conversion factor:\u003c\/strong\u003e 0.45 to 1.00, so it can be matched to the ppm scale your feed chart uses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbout 100 hours on four cells:\u003c\/strong\u003e With automatic shutdown after eight idle minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow range by design:\u003c\/strong\u003e The conductivity limit suits working solutions, not concentrated stock tanks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI98129\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCombo pH, conductivity, TDS and temperature tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±0.05 pH at 25 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Calibration\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAutomatic, one or two point, standard buffers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 3999 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±2% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTDS Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 2000 mg\/L, ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTDS Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC and TDS Calibration\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAutomatic, one point at 1413 µS\/cm or 1382 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e-5.0 to 60.0 °C, 23.0 to 140.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±0.5 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAutomatic on all readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConversion Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAdjustable, 0.45 to 1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBeta Coefficient\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAdjustable, 0.0 to 2.4% per °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Electrode\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI73127, replaceable, extendable cloth junction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC Electrode\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGraphite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 x 1.5V, about 100 hours continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAuto Shutoff\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAfter 8 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWaterproof, floats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e163 x 40 x 26 mm, 6.4 x 1.6 x 1.0 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e100 g, 3.5 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIn the Box\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeter, electrode, buffers, storage and cleaning solution, conductivity standard, removal tool, batteries, certificate and manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297268781270,"sku":"HI98129","price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-hi98129-combo-tester-1.webp?v=1789399499"},{"product_id":"hanna-groline-hydroponic-nutrients-monitor-for-ph-ec-tds-and-temperature","title":"Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature","description":"\u003ch2\u003eAround-the-clock readings from the Hanna GroLine hydroponic nutrients monitor\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe HI981420 is a wall-mounted monitor that sits beside the reservoir and reads three parameters continuously from one probe. That probe is the HI1285-8: a pH electrode with a renewable cloth junction, an amperometric EC\/TDS sensor and an internal temperature sensor. All three sit in one polypropylene body on a 2 m cable. Ranges run 0.00 to 14.00 pH, 0.00 to 10.00 mS\/cm, and 0 to 5000 ppm on the 0.5 conversion factor. Accuracy holds at ±0.05 pH and ±0.1 mS\/cm across the lower half of the conductivity scale, where most recirculating feeds live. Temperature covers 32.0 to 140.0 °F and compensates every reading, so a cold reservoir in the morning does not read as a weak feed. The enclosure is rated IP65. Nutrient mist and splash reach everything eventually, and a sealed face keeps a meter on the wall instead of in a drawer.\u003c\/p\u003e\n\u003ch2\u003eHydroponic nutrient monitoring that catches drift between hand checks\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eProbe placement decides whether the number on the screen matches the tank. Submerse the probe tip at least an inch and a half into moving solution. A return-line outlet or the draw side of a pump reads true; a dead corner of the tank lags by hours. Logging runs on its own every fifteen minutes and holds the last thirty days, keeping minimum, maximum and average values for each parameter. That history is where a pattern shows up instead of a surprise. You see the pH climb that starts two days after a res change, or the conductivity creep that only appears during lights-out. High and low alarms flash the display and trip an LED when a parameter leaves the band you set for it. One Quick Cal sachet calibrates pH and conductivity together, which is the practical difference between recalibrating on schedule and putting it off. This unit monitors and does not dose; it reports what the solution is doing and leaves the correction to you. The probe supplied with it is the unthreaded submersion type, so plumbing a sensor into a line calls for the threaded inline model instead. Keep the protective cap on the pH bulb whenever the probe is out of solution for more than a few minutes. A dried-out bulb is the commonest way one of these ends up reading slow.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-in-1 HI1285-8 probe:\u003c\/strong\u003e A pH electrode, an amperometric EC\/TDS sensor and an internal temperature sensor share one body, so one port covers continuous pH and EC monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick Cal single-solution calibration:\u003c\/strong\u003e One HI50036 sachet calibrates pH and conductivity together, which cuts the weekly routine down to a couple of minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30-day automatic datalog:\u003c\/strong\u003e Records every 15 minutes and stores minimum, maximum and average values for each parameter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh and low alarms:\u003c\/strong\u003e A flashing display and an LED mark the moment a parameter leaves the range you set.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP65-rated enclosure:\u003c\/strong\u003e Sealed against the mist and splash that come with a working nutrient room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable TDS factor:\u003c\/strong\u003e Switch between 0.5 and 0.7 so the ppm figure on screen matches the scale your feed chart uses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB-C data transfer:\u003c\/strong\u003e Pull the log straight onto a memory stick or a PC without proprietary software.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient light sensor:\u003c\/strong\u003e Dims the green-backlit LCD so a bright readout is not fighting a dark-period room.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n      \u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eHI981420 (GroLine Monitor for Hydroponic Nutrients)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003epH Range \/ Resolution \/ Accuracy\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e0.00 to 14.00 pH \/ 0.01 pH \/ ±0.05 pH\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eEC Range \/ Resolution\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e0.00 to 10.00 mS\/cm \/ 0.01 mS\/cm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eEC Accuracy\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e±0.1 mS\/cm (0.00 to 5.00 mS\/cm); ±0.2 mS\/cm (5.00 to 10.00 mS\/cm)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eTDS Range\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e0 to 5000 ppm (0.5 factor) \/ 0 to 7000 ppm (0.7 factor)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eTDS Resolution \/ Accuracy\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e10 ppm \/ ±2% F.S.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eTemperature Range \/ Accuracy\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e0.0 to 60.0 °C (32.0 to 140.0 °F) \/ ±0.5 °C (±1 °F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eProbe\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eHI1285-8 multiparameter probe, 2 m cable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eCalibration\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eOne or two-point pH (4.01 \/ 7.01 \/ 10.01); one-point EC (1.41 or 5.00 mS\/cm); Quick Cal single solution\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eData Logging\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eAutomatic, every 15 minutes, last 30 days (min \/ max \/ average)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eData Transfer\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eUSB-C to memory stick or PC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eEnclosure Rating\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eIP65\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e12 VDC adapter (included)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e125 x 185 x 38 mm (4.92 x 7.28 x 1.49 in)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e333 g (11.7 oz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eIn the Box\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eHI1285-8 probe, 2x HI50036-0 Quick Cal sachets, 2x HI700661P cleaning solution sachets, 12 VDC adapter, instruction manual, certificates\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297269141718,"sku":"HI981420","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hi981420-1-v1.webp?v=1789687808"},{"product_id":"hanna-ph4-calibration-solutions-16-oz","title":"Hanna pH 4.01 Calibration Solution HI7004L | 500 mL (16.9 oz)","description":"\u003ch2\u003eHanna pH 4.01 Calibration Solution for Pens, Meters and Probes\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eHanna's HI7004L is a buffer used as the acid point when calibrating a pH pen, a portable meter or an inline controller probe. Each bottle holds \u003cstrong\u003e500 mL\u003c\/strong\u003e, about \u003cstrong\u003e16.9 fl oz\u003c\/strong\u003e, which covers weekly checks across several meters. The value is \u003cstrong\u003e4.01 pH at 25°C\u003c\/strong\u003e, held to \u003cstrong\u003e±0.01 pH\u003c\/strong\u003e, and every batch is standardized against NIST reference materials. The chemistry is a potassium hydrogen phthalate buffer, the classic acid standard for glass pH electrodes. A pH-versus-temperature chart is printed on the label, so a cold reservoir room or a warm propagation tent does not throw off the reading. The label also carries the lot number and the expiry date. Unopened, Hanna rates the solution for \u003cstrong\u003e5 years\u003c\/strong\u003e from manufacture. Once the cap comes off, plan on roughly \u003cstrong\u003e4 to 8 weeks\u003c\/strong\u003e of reliable use. The formula contains no dyes that could stain the electrode's reference junction. That pairing of a traceable value and a printed temperature table is what makes a two-point calibration repeatable.\u003c\/p\u003e\u003ch2\u003eUsing a pH 4 Buffer Solution for Two-Point Meter Calibration\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eMost growers run a two-point calibration, setting the meter at pH 7 first and then at this acid point. Hydroponic and coco feeds usually sit between pH 5.5 and 6.5, so a 4-and-7 calibration brackets the range that matters. Pour a small amount into a clean cup rather than dipping the probe in the bottle. Rinse the electrode with distilled or RO water between buffers, then blot it dry rather than wiping. Discard the used portion afterward, since pouring it back contaminates the rest. Recap the bottle right away and store it out of sunlight and away from heat. Weekly calibration suits most rooms, while daily checks make sense when an automated doser depends on the reading. A meter that will not settle on this point usually has an aging probe, not a bad buffer. Keep a pH 7 standard and an electrode storage solution alongside it to complete the routine. Writing the opening date on the label makes the usable window easy to track.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIST-traceable value:\u003c\/strong\u003e Each batch is standardized against NIST reference materials, so a calibrated meter agrees with lab instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature chart on label:\u003c\/strong\u003e The printed table gives the true buffer value at room temperatures above or below the reference point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLot and expiry marked:\u003c\/strong\u003e Every bottle shows its lot and expiry date, so an outdated standard is easy to spot on the shelf.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDye-free formula:\u003c\/strong\u003e Nothing in the solution stains or clogs the electrode's reference junction over repeated calibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal acid point:\u003c\/strong\u003e Works as the low calibration point for pH pens, portable meters, benchtop units and controller probes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7004L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH value\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4.01 at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±0.01 pH at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eVolume\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500 mL (16.9 fl oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBuffer type\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePotassium hydrogen phthalate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTraceability\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNIST Standard Reference Materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShelf life, unopened\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5 years from manufacture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUsable life, opened\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4-8 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297269960918,"sku":"716845","price":20.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-ph4-calibration-solutions-16-oz-1_a9443160-818b-43b7-9cd4-35b7143e1dcc.webp?v=1793321551"},{"product_id":"hanna-ph7-calibration-solutions-16-oz","title":"Hanna pH 7.01 Calibration Solution HI7007L | 500 mL (16.9 oz)","description":"\u003ch2\u003eHanna pH 7.01 Calibration Solution for the Neutral Point\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eEvery pH calibration starts at neutral, and HI7007L is the bottle Hanna makes for that first step. It sets the offset, or zero point, of a pH pen, portable meter or controller probe. The value is \u003cstrong\u003e7.01 pH at 25°C\u003c\/strong\u003e with an accuracy of \u003cstrong\u003e±0.01 pH\u003c\/strong\u003e, traceable to NIST reference materials. Each bottle holds \u003cstrong\u003e500 mL\u003c\/strong\u003e, roughly \u003cstrong\u003e16.9 fl oz\u003c\/strong\u003e, under an airtight, tamper-proof seal. The buffer itself is a blend of potassium dihydrogen phosphate and disodium hydrogen phosphate. Labels are color-coded by value, with the lot number and expiry date printed beside a pH-versus-temperature chart. That chart matters in a grow space, where solution temperature drifts with the room. Unopened, the solution is rated for \u003cstrong\u003e5 years\u003c\/strong\u003e from manufacture. Opened, Hanna puts its useful life at about \u003cstrong\u003e4 to 8 weeks\u003c\/strong\u003e with the cap kept on. No dyes are added, so nothing builds up in the electrode's reference cell.\u003c\/p\u003e\u003ch2\u003eA pH 7 Buffer Solution Sets the Zero Before Every Feed Check\u003c\/h2\u003e\u003cp style=\"text-align: justify;\"\u003eNeutral comes first because it corrects the probe's offset before the slope is set at the acid point. Reverse the sequence and a meter can read true at one end while drifting across the feeding range. Pour a little into a clean cup, let the reading settle, and confirm it on the meter. Many digital pens accept this point with a single press of the calibrate button. Rinse with RO or distilled water before moving on to the acid buffer. Never return used solution to the bottle, because one dirty probe tip spoils the rest. This bottle also works as a quick drift check between full calibrations. If a pen reads more than a tenth off at neutral, recalibrate before mixing the next reservoir. Store the bottle somewhere cool and dark, away from the nutrient shelf. It pairs naturally with a pH 4 standard and an electrode storage solution.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeutral offset point:\u003c\/strong\u003e Corrects the electrode's zero before slope calibration, which keeps readings honest across the whole feeding range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTight tolerance:\u003c\/strong\u003e Held to ±0.01 pH at the reference temperature, so the calibration starts from a known value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-coded label:\u003c\/strong\u003e The coded label and printed temperature chart make the right bottle and the right target value obvious at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSealed bottle:\u003c\/strong\u003e An airtight, tamper-proof seal protects the buffer until the first use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDye-free phosphate buffer:\u003c\/strong\u003e A clean phosphate formula leaves no stain or residue in the probe's reference cell.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI7007L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH value\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7.01 at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±0.01 pH at 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eVolume\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500 mL (16.9 fl oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBuffer type\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePotassium dihydrogen phosphate, disodium hydrogen phosphate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTraceability\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNIST Standard Reference Materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShelf life, unopened\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5 years from manufacture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUsable life, opened\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4-8 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297269993686,"sku":"716850","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-ph7-calibration-solutions-16-oz-1_19e27f06-dd43-4bf7-abff-f26bd1997cc0.webp?v=1793321551"},{"product_id":"hanna-phep-4-tester-with-replaceable-electrode","title":"Hanna PHEP 4 Tester With Replaceable Electrode","description":"\u003ch2\u003eWhere the Hanna pHep 4 Fits in a Grow Room\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe range runs \u003cstrong\u003e-2.0 to 16.0 pH\u003c\/strong\u003e at \u003cstrong\u003e0.1\u003c\/strong\u003e resolution and \u003cstrong\u003e±0.1\u003c\/strong\u003e accuracy, with temperature from \u003cstrong\u003e-5 to 60 °C\u003c\/strong\u003e. Readings are temperature compensated automatically. The sensor is an \u003cstrong\u003eHI73127\u003c\/strong\u003e cartridge that unscrews and replaces, which is the difference between a five year tool and a disposable one. Four cells run it for roughly \u003cstrong\u003e300 hours\u003c\/strong\u003e and it shuts off after eight idle minutes. The casing is waterproof and it floats.\u003c\/p\u003e\n\u003ch2\u003eLiving With a pH and Temperature Tester That Reads in Tenths\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eCalibration is automatic, one point or two, against the \u003cstrong\u003e4.01\u003c\/strong\u003e and \u003cstrong\u003e7.01\u003c\/strong\u003e buffers that come in the box. Storage solution comes with it as well, and that is where the tip belongs between readings. Never dry, and never parked in plain water, which strips the junction. The resolution is the trade-off. Steps this size are coarse for reservoir work, where the gap between \u003cstrong\u003e5.8\u003c\/strong\u003e and \u003cstrong\u003e6.0\u003c\/strong\u003e changes what a root can actually take up. Use it for spot checks, runoff and source water. When you are dialling a tank, the HI98129 combo reads to \u003cstrong\u003e0.01\u003c\/strong\u003e and adds EC on the same pen.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.1 pH resolution:\u003c\/strong\u003e Tenths, which suits spot checks and source water rather than fine reservoir work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-2.0 to 16.0 pH range:\u003c\/strong\u003e Wide enough for cleaning solutions and nutrient stock as well as feed water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable HI73127 cartridge:\u003c\/strong\u003e A spent electrode costs a cartridge, not a meter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic temperature compensation:\u003c\/strong\u003e Temperature reads alongside pH and corrects it, so a cold tank does not mislead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic calibration:\u003c\/strong\u003e One or two point against the 4.01 and 7.01 buffers supplied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAbout 300 hours on four cells:\u003c\/strong\u003e With a battery level indicator and shutdown after eight idle minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof, and it floats:\u003c\/strong\u003e Dropping it in the reservoir is an inconvenience, not a replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStep up if you need finer:\u003c\/strong\u003e The HI98129 combo reads 0.01 pH and adds EC and TDS on one pen.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003epHep 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI98127; SKU 716830\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003epH and temperature tester\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e-2.0 to 16.0 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±0.1 pH at 25 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Calibration\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAutomatic, one or two point, two sets of standard buffers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e-5.0 to 60.0 °C, 23.0 to 140.0 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.1 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±0.5 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eElectrode\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI73127, replaceable cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 x 1.5V, about 300 hours continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAuto Shutoff\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAfter 8 minutes of non-use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWaterproof, floats, 100% RH rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e163 x 40 x 26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e100 g, 3.5 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIn the Box\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeter, pH 4.01 and 7.01 buffers, cleaning and storage solution, electrode removal tool, batteries, certificate and manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFiner Resolution Option\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI98129 combo, 0.01 pH, plus EC and TDS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297270157526,"sku":"716830","price":130.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-phep4-hi98127-tester-1.webp?v=1789399499"},{"product_id":"hm-digital-handheld-tds-tester-model-tds-3","title":"HM Digital TDS-3 Handheld TDS Meter | 0-9990 ppm, Thermometer, Case","description":"\u003ch2\u003eHM Digital TDS-3 Pocket Meter for Water and Nutrients\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThis is a pocket-size meter that reads \u003cstrong\u003etotal dissolved solids from 0 to 9990 ppm\u003c\/strong\u003e. It resolves to \u003cstrong\u003e1 ppm\u003c\/strong\u003e up to 999 ppm, then switches to 10 ppm steps above 1,000, shown by an x10 icon. The meter is rated at \u003cstrong\u003e±2%\u003c\/strong\u003e accuracy across its range. A built-in thermometer reads water temperature from 0 to 80°C in 0.1° steps. \u003cstrong\u003eAutomatic temperature compensation\u003c\/strong\u003e covers 1 to 50°C, so readings stay consistent as solution temperature shifts. The meter uses the NaCl conversion factor, averaging 0.5, and comes factory calibrated at \u003cstrong\u003e342 ppm NaCl\u003c\/strong\u003e. If it drifts, it can be recalibrated with a small screwdriver against a matching NaCl solution. A hold button freezes the reading so you can lift the probe and record it. To save batteries, the meter shuts itself off after 10 minutes without use. Two LR44 button cells come installed and last around 1,000 hours. It measures 6.1 x 1.25 x 1 in and weighs about 2 oz, with a black vinyl belt-clip case included.\u003c\/p\u003e\n\u003ch2\u003eGetting Accurate Readings From a Handheld TDS Meter\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA handheld TDS meter earns its place at three checkpoints: source water, the mixed reservoir and runoff. Read the source first, since tap water alone can carry a few hundred ppm before any nutrients go in. Mix the batch, stir well, then take the reading once the solution has settled. Dip the probe to the immersion line and swirl gently to clear bubbles off the electrodes. Wait for the display to stop moving, press hold, and lift the meter out to read it. Rinse the probe in clean water after every test so salts don't build up. Remember that the meter reads on a 0.5 scale. Feed charts written on a 0.7 scale will show higher numbers for the same solution, so convert before comparing. HM Digital suggests calibrating near the upper third of the range you test most. For a reservoir run around 800 to 1,200 ppm, a mid-range NaCl standard keeps readings honest. Recheck calibration every few months and whenever readings stop matching your feed chart. Store the meter in its case with the cap on.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e0-9990 ppm Range:\u003c\/strong\u003e Covers RO water, tap water and full-strength nutrient solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e±2% Accuracy:\u003c\/strong\u003e With 1 ppm resolution up to 999 ppm and 10 ppm steps above.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Thermometer:\u003c\/strong\u003e Reads 0 to 80°C, with automatic temperature compensation from 1 to 50°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold Function:\u003c\/strong\u003e Freezes the reading so it can be recorded after the probe is lifted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Calibrated:\u003c\/strong\u003e Set at 342 ppm NaCl and adjustable with a mini screwdriver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Off and Long Battery Life:\u003c\/strong\u003e Shuts off after 10 minutes idle; two LR44 cells last about 1,000 hours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eTDS-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eItem number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e716187\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTDS range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-9990 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 ppm (0-999); 10 ppm (1,000-9,990)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-80°C, 0.1°C resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eATC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1-50°C (33-122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConversion factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNaCl, average 0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFactory calibration\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e342 ppm NaCl\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBatteries\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 x 1.5V LR44, included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBattery life\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 1,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAuto-off\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAfter 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e6.1 x 1.25 x 1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 oz without case, 2.7 oz with case\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeter, belt-clip carrying case, batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e891144000083\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":46297272942806,"sku":"716187","price":23.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hm-digital-tds-3-handheld-tds-tester-1.webp?v=1791907282"},{"product_id":"hm-digital-portable-wall-mount-bench-continuous-ph-ec-tds-temp","title":"HM Digital Portable\/Wall Mount\/Bench Continuous pH\/EC\/TDS\/Temp","description":"\u003cstrong\u003eHydroMaster Digital\u003c\/strong\u003e testers make monitoring water easier than ever by reading the levels that matter the most and providing very accurate readings that you can depend on. Continuous pH\/EC\/TDS\/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. \n\u003cbr\u003e\n\u003cbr\u003e\n HydroMaster HM-500 pH\/EC\/TDS\/ °F Tester (113831) \n\u003cbr\u003e\n\u003cbr\u003e\n\u003cli\u003eTests pH at a range of 0 pH-14 pH, temperatures from 30 °F-176 °F, TDS from 0-9999 ppm and EC from 0-9999 μS\u003c\/li\u003e\n\u003cli\u003eStores up to 20 measurement readings, so you can monitor changes over time\u003c\/li\u003e\n\u003cli\u003eLCD touch-type screen with auto backlighting\u003c\/li\u003e\n\u003cli\u003ePowered by a rechargeable lithium ion battery\u003c\/li\u003e\n\u003cli\u003eFeatures an adjustable alarm that has a high and low set point\u003c\/li\u003e\n\u003cli\u003eAutomatically turns off after 5 minutes\u003c\/li\u003e\n\u003cli\u003eComes with wall mountable bracket, USB cable, 2 flotation disks, 1 EC\/TDS conductivity sensor, 1 pH sensor, 1 packet each pH 4, pH 7, storage solution, and 1000 ppm calibration solution\u003c\/li\u003e\n\u003cli\u003e110V-220V\u003c\/li\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n Three year warranty (6 month warranty on the pH probe)","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":46297273041110,"sku":"HMD500","price":322.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/17812_4058.jpg?v=1733843294"},{"product_id":"hydrofarm-autopilot-co2-monitor-and-controller-with-remote-sensor","title":"Autopilot CO2 Controller APC8200 | 15 ft Remote NDIR Sensor","description":"\u003ch2\u003eWhat the Autopilot CO2 Controller Reads and Switches\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe sensing element is a two-channel low-drift NDIR type, carried in a remote probe that also holds a photocell. That probe rides on a 15 ft data cable, so it can hang in the canopy while the box stays on a wall. Range on the CO2 function runs from 0 to 5000 ppm. That covers ambient outdoor air at one end and a heavily enriched sealed room at the other. Both the setpoint and the ppm deadband are adjustable. The deadband is what stops a generator short-cycling around the target, and it is the first setting worth thinking about. Readings land on a trend chart that records per minute, per hour, per day and per week. Memory holds up to seven days, and an adjustable zoom steps through those intervals. Green LED lights report the unit status at a glance. The unit measures 9.7 x 7.5 x 3.9 in and ships at 2.3 lb. Part number is APC8200, with UPC 638104020701 and GTIN-14 10638104020708. The warranty runs three years from the date of sale.\u003c\/p\u003e\n\u003ch2\u003eSetting Up a CO2 Controller for Grow Room Enrichment\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA co2 controller for grow room work only pays off once the room is genuinely sealed. Enrichment bleeds out of a leaky tent faster than any source can replace it, so weatherstripping comes before programming. Set the target for lights-on only, because plants stop fixing carbon in the dark and the gas just accumulates. The photocell in the probe handles that switch without a separate timer on the circuit. A wide deadband means fewer source starts and a slower swing, while a narrow one holds tighter and cycles more often. Most sealed rooms settle somewhere in between once the chart shows how fast they bleed down. That chart is the real diagnostic tool on this unit. A sawtooth that falls away quickly between fills points at a leak, or at an exhaust fan still running on its own timer. A flat line that never reaches target points at an undersized source or an empty tank. The fault codes are worth knowing before anything goes wrong. Err4 flags the infrared lamp and Err6 flags the sensor connection. Err7 is a temperature or humidity fault, while Err5 and Err8 are internal to the unit. Mount it where the display can be read and the outlet is easy to reach. Keep the probe clear of a burner discharge and out of the direct path of an intake fan.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-channel NDIR sensor:\u003c\/strong\u003e A low-drift infrared reading rather than a chemical cell.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0 to 5000 ppm range:\u003c\/strong\u003e Covers ambient air through a heavily enriched sealed room.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e15 ft remote probe:\u003c\/strong\u003e Puts the sensor in the canopy with the display out on the wall.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotocell on the probe:\u003c\/strong\u003e Separates lights-on from lights-off with no extra timer needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable setpoint and deadband:\u003c\/strong\u003e Tunes how tightly the room is held and how often the source fires.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrend chart with zoom:\u003c\/strong\u003e Logs ppm by minute, hour, day and week, and holds seven days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree-year warranty:\u003c\/strong\u003e Covered for three years from the date of sale.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCO2 range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 - 5000 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCO2 sensor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2-channel low-drift NDIR, remote probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePhotocell\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes, on the probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor cable length\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e15 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eZones\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSingle zone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eData logging\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePer minute, hour, day and week; up to 7 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSetpoint\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAdjustable (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDeadband\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAdjustable (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eStatus indicators\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGreen LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUnit dimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e9.7 x 7.5 x 3.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShipping weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eManufacturer part number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAPC8200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e638104020701\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eGTIN-14\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e10638104020708\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Hydrofarm","offers":[{"title":"Default Title","offer_id":46297282150614,"sku":"APC8200","price":298.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hydrofarm-autopilot-co2-monitor-controller-1.webp?v=1791472993"},{"product_id":"link4-iponic-d-i-s-m-50ft-extension-cable","title":"Link4 D.I.S.M 50 ft Extension Cable | IP68 4 Pin, Shielded, iPonic","description":"\u003ch2\u003eWhy an iPonic Extension Cable Rather Than a Splice\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe rule is explicit: use Link4 extension cables, junction boxes and approved wire. They warn that cutting and splicing can produce unstable sensor readings and outright failures. That is not a warranty formality on a digital sensor bus, it is how noise gets in. The cable here is shielded four conductor at 24 AWG, UL rated, in a PVC jacket. Conductors are black, red, green and white, which is the whole pin count on a four pin connector. Both ends are twist and lock in line connectors rated IP68 and immersible beyond a metre. The gland accepts cable between 4 and 6.5 mm, and one end is male while the other is female. Fifty feet of it weighs around three pounds, which matters if it is being suspended. The part number is 995-0020-00, which is the fifty foot length.\u003c\/p\u003e\n\u003ch2\u003eWhere the Sensor Module Actually Belongs in the Room\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Digital Integrated Sensor Module reads humidity, temperature, carbon dioxide and light. Link4 say to mount it centrally, near crop level, and away from irrigation emitters, unit heaters and anything else that skews a reading. They also say the light sensor at the top of the module must face up toward the fixtures. None of that is possible from a controller cabinet on the wall by the door. That gap between where the controller lives and where the sensor belongs is the entire reason this part exists. Sixteen feet gets you off the wall; fifty feet gets you to the middle of a bay. Run it in trunking or along a truss rather than across a floor that gets hosed. Keep it clear of ballast and fixture power runs where the layout allows, because that is what the shield is fighting. It fits the iPonic 600 series controllers, including the 614 and the 624. Anyone with a single small room will not need this at all.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e Fifty feet, against the 16 ft lead the module ships with\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e Shielded four conductor, 24 AWG, UL rated, PVC jacket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductors:\u003c\/strong\u003e Black, red, green and white\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectors:\u003c\/strong\u003e IP68 twist and lock, four pin, one male and one female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImmersion:\u003c\/strong\u003e Rated immersible beyond a metre\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGland range:\u003c\/strong\u003e Accepts cable from 4 to 6.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e About three pounds for the fifty feet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhy not splice:\u003c\/strong\u003e Link4 warn it causes unstable readings and failures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Link4 iPonic 600 series, including the 614 and 624\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e995-0020-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLink4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eD.I.S.M extension cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDigital Integrated Sensor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModule reads\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHumidity, temperature, carbon dioxide and light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e50 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModule standard lead\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e16 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductors\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4, shielded, 24 AWG, UL, PVC jacket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConductor colours\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBlack, red, green, white\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnector A, female\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIP68, twist and lock, in line, 4 pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnector A, male\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIP68, twist and lock, 4 pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCable gland range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 to 6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eImmersion rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBeyond 1 metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eController compatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eiPonic 600 series, including 614 and 624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSplicing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNot permitted by Link4; use their cables and junction boxes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Link4","offers":[{"title":"Default Title","offer_id":46297298338006,"sku":"995-0020-00","price":122.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/link4-iponic-d-i-s-m-50ft-extension-cable-1.webp?v=1790781665"},{"product_id":"link4-sapphire-commercial-irrigation-mist-controller-with-cloud","title":"Link4 Sapphire Commercial Irrigation \/ Mist Controller with Cloud","description":"\u003ch2\u003eLink4 Sapphire Irrigation Controller with 8 Cloud Zones\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe Link4 Sapphire irrigation controller runs \u003cstrong\u003e8 independent outputs\u003c\/strong\u003e, each set for mist, drip, flood, or standard watering. Every zone programs on its own schedule, so a propagation mist bench and a drip room run off the same box. It ties into \u003cstrong\u003eLink4 Cloud\u003c\/strong\u003e for remote programming, monitoring, and reporting from any device. A built-in grow journal logs notes per zone.\u003c\/p\u003e\n\u003ch2\u003eManaging a Commercial Mist Controller from the Cloud\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eGrowers assign each of the eight outputs to a zone or method, then tune cycles from a phone or laptop without walking the greenhouse. Mist benches run on short repeating cycles while drip zones follow time or interval schedules. The cloud dashboard reports run history and lets more than one grower log in. Free Professional Cloud access is included for the first 60 days.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 independent outputs:\u003c\/strong\u003e Mist, drip, flood, or standard watering set per zone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLink4 Cloud:\u003c\/strong\u003e Remote programming, monitoring, and reporting from any device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMixed methods:\u003c\/strong\u003e A mist bench and a drip room run off one controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrow journal:\u003c\/strong\u003e Log and report grower notes for each zone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-device access:\u003c\/strong\u003e More than one grower can manage the system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n      \u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e990-0910-00\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOutputs\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e8 (independently programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMethods\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMist, drip, flood, standard\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnectivity\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLink4 Cloud (remote programming, monitoring, reporting)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCloud Access\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e60-day Professional included\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eExtras\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGrow journal per zone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Link4","offers":[{"title":"Default Title","offer_id":46297298534614,"sku":"990-0910-00","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Link4_Sapphire_irrigation_mist_Controller_with_Cloud_main_image.webp?v=1784829000"},{"product_id":"mondi-mini-greenhouse-thermo-hygrometer","title":"Mondi Mini Greenhouse Thermo-Hygrometer | Min\/Max, Dome Mount","description":"\u003ch2\u003eWhat the Greenhouse Thermo-Hygrometer Reads Inside a Dome\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eOpening a dome to check it changes what you are checking. Lift the lid and humidity drops before the meter settles. This unit mounts on the dome wall and reads from inside, so the number you see is the number the cuttings live in. It holds \u003cstrong\u003emin and max\u003c\/strong\u003e history beside the live reading, which shows you the overnight swing rather than one moment.\u003c\/p\u003e\n\u003ch2\u003ePicking a Hygrometer for Greenhouse Propagation Work\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eRange is what rules most meters out at the propagation bench. This one reads \u003cstrong\u003e25% to 98% RH\u003c\/strong\u003e, which covers a domed tray at the wet end where a household meter tops out near 90%. Temperature runs \u003cstrong\u003e-9.9 to 50 C\u003c\/strong\u003e, roughly 14 to 122 F. It switches between \u003cstrong\u003eCelsius and Fahrenheit\u003c\/strong\u003e, so it fits whichever scale your logs already use. Power is a single \u003cstrong\u003eL1154H cell\u003c\/strong\u003e, included, and the body is \u003cstrong\u003e130 mm wide by 30 mm tall\u003c\/strong\u003e at 25.5 g. Mondi builds it on Japanese sensor components.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReads without opening the dome:\u003c\/strong\u003e Lifting the lid drops humidity before a meter settles. This one stays inside.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25% to 98% RH:\u003c\/strong\u003e Covers a domed tray at the wet end, where a household meter stops near 90%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMin and max memory:\u003c\/strong\u003e Shows the overnight swing, not only the number at the moment you walk past.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-9.9 to 50 C:\u003c\/strong\u003e About 14 to 122 F, with Celsius and Fahrenheit switchable on the unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne L1154H cell, included:\u003c\/strong\u003e 25.5 g and 130 mm wide, so it hangs on the dome wall rather than a stand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJapanese sensor components:\u003c\/strong\u003e Mondi builds the movement around them, in a housing that takes dome humidity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMondi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMini Thermo-Hygrometer, dome mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e-9.9 to 50 C, about 14 to 122 F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHumidity Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e25% RH to 98% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLive reading with min and max history\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUnits\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCelsius and Fahrenheit, switchable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eL1154H x 1, included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e25.5 g, 0.9 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWidth\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e130 mm, 5.1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e30 mm, 1.1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMounting\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDome wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e726125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Mondi","offers":[{"title":"Default Title","offer_id":46297301942486,"sku":"726125","price":17.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/mondi-mini-greenhouse-thermo-hygrometer-main-v1.webp?v=1787878429"},{"product_id":"nutrient-delivery-system-start-kit","title":"Dilution Solutions Nutrient Delivery System (NDS) Starter Kit - 3\/4","description":"\u003ch2\u003eWhat the Nutrient Delivery System Starter Kit Contains\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eSix parts and the plumbing to join them. An incoming \u003cstrong\u003eon\/off ball valve\u003c\/strong\u003e, an in-line \u003cstrong\u003epre-filter\u003c\/strong\u003e and a \u003cstrong\u003epressure regulator with gauge\u003c\/strong\u003e. Then a \u003cstrong\u003efreshwater test port\u003c\/strong\u003e, a \u003cstrong\u003echeck valve\u003c\/strong\u003e, and all the \u003cstrong\u003e3\/4 in\u003c\/strong\u003e connections. Part number is DSSK34, also listed as HYKSTART. The kit ships at 4 lbs in a 13 x 7 x 5 in box.\u003c\/p\u003e\n\u003ch2\u003eWhy a 200 Mesh Pre Filter Sits Ahead of the Injector\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eAn injector is a precision piston driven by your water, and grit is what wrecks it. The \u003cstrong\u003e200 mesh pre filter\u003c\/strong\u003e, which screens to \u003cstrong\u003e80 micron\u003c\/strong\u003e, sits upstream so sand, scale and pipe debris never reach the moving parts. It is the least costly component here and it protects the dearest one. The regulator matters for the same reason. Injectors have an inlet pressure window, and municipal supply wanders outside it more than people expect. The gauge means you can see where you are rather than guess. The \u003cstrong\u003echeck valve\u003c\/strong\u003e is the part nobody thinks about until an inspection. It stops nutrient solution travelling backwards into the supply line. That protects your potable water, and on a commercial site it is usually a code requirement rather than an option an inspector will let slide. The \u003cstrong\u003efreshwater test port\u003c\/strong\u003e lets you draw a sample upstream of the injection point. When a reading looks wrong, that separates a source water problem from a dosing one. You do not have to break the line apart to find out.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e200 mesh, 80 micron pre-filter:\u003c\/strong\u003e Grit is what kills an injector piston. The least costly part protects the dearest.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure regulator with gauge:\u003c\/strong\u003e Injectors have an inlet pressure window and mains supply wanders outside it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck valve:\u003c\/strong\u003e Stops nutrient travelling back into the supply. Usually a code requirement, not an option.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater test port:\u003c\/strong\u003e Sample upstream of injection and tell a source water problem from a dosing one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncoming ball valve:\u003c\/strong\u003e Isolate the injector for service without shutting the whole line down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll 3\/4 in connections:\u003c\/strong\u003e Part DSSK34, also listed as HYKSTART. Ships at 4 lbs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eKit Size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDSSK34, also HYKSTART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBall Valve\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncoming, on\/off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePre-Filter\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIn-line, 200 mesh, 80 micron screen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePressure Regulator\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded, with gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTest Port\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eFreshwater, upstream of injection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCheck Valve\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eIncluded, backflow prevention\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFittings\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAll 3\/4 in connections included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShip Dimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e13 in x 7 in x 5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShip Weight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eInjector\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/gAyb_Zwbff0?rel=0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"Dosatron","offers":[{"title":"Default Title","offer_id":46297334972630,"sku":"709008","price":216.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/dosatron-nds-starter-kit-34in-main-v1.webp?v=1787878427"},{"product_id":"photobio-advanced-quantum-par-meter-micromols","title":"PHOTOBIO Advanced Quantum PAR Meter (Micromols)","description":"\u003ch2\u003ePHOTOBIO Advanced Quantum PAR Meter for Daily PPFD Checks\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003ePHOTOBIO's Advanced Quantum PAR Meter\u003c\/strong\u003e is the in-tent PPFD tool. It targets growers who want a real \u003cstrong\u003e400-700 nm\u003c\/strong\u003e reading without stepping up to an Apogee MQ-500. Hawthorne builds it around a remote quantum sensor. The 12 ft straight cable plus a short coiled lead lets the handheld display sit on a workbench. The sensor stays at canopy height. Useful when dialing light height across a 4x4 or 5x5 footprint single-handed.\u003c\/p\u003e\n\u003ch2\u003eWhy a Dedicated Quantum Sensor Beats a Lux Meter for LED Rooms\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eLux meters weight visible light to the human eye. They undercount the deep red and blue that drive photosynthesis. The \u003cstrong\u003eAdvanced Quantum PAR Meter\u003c\/strong\u003e outputs PPFD directly in \u003cstrong\u003emicromol\/m2\/s\u003c\/strong\u003e. It gives a peak\/min\/max log and stores up to \u003cstrong\u003e99 readings\u003c\/strong\u003e for canopy mapping. Growers typically place the remote sensor at canopy height while the display sits on the bench. Not the lab-spec MQ-500. Calibration and warranty are tighter on the Apogee. For daily PPFD checks, this is the tool growers pull out at lights-on.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpectral range:\u003c\/strong\u003e 400-700 nm PAR, the band that actually drives photosynthesis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput unit:\u003c\/strong\u003e micromol\/m2\/s PPFD with peak\/min\/max stat memory across a session\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor cable:\u003c\/strong\u003e 12 ft straight cable plus short coiled lead, so the display stays off the wet bench\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReading memory:\u003c\/strong\u003e Up to 99 stored readings — enough to grid a tent canopy at one-foot intervals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositioning:\u003c\/strong\u003e Mid-tier price between a lux meter and a lab-grade Apogee, sized for daily room QA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSpectral Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e400-700 nm PAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeasurement Unit\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003emicromol\/m2\/s PPFD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eRemote quantum sensor with 12 ft straight cable and short coiled lead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDisplay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHandheld digital with peak\/min\/max logging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eReading Memory\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eUp to 99 stored readings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"PHOTOBIO","offers":[{"title":"Default Title","offer_id":46297338937558,"sku":"LGBQM2","price":149.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/PHOTOBIO_Advanced_Quantum_main_image_1050_x_1050.webp?v=1777999700"},{"product_id":"photontek-digital-lighting-controller","title":"PhotonTek Digital Lighting Controller","description":"\u003ch2\u003eA 2-channel controller for PhotonTek LED drivers\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe controller runs two independent zones over a 0-10V analog signal, driving up to 50 PhotonTek LED fixtures per zone, 100 in all. Each zone can run the same-powered drivers or different ones, so Zone A might hold 465W fixtures while Zone B runs 600W or 1000W. Dimming steps in 1% increments from 10 to 100%, with 1% power regulation accuracy for precise PPFD. Growers schedule a 24-hour cycle with sunrise and sunset ramps up to 30 minutes to ease each transition.\u003c\/p\u003e\n\u003ch2\u003eDimming and safety on the digital lighting controller\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eTwo temperature sensors drive safety: dimming starts across 0-40 degrees C, and a full switch-off protects the room from 10-50 degrees C. The unit is compact at 125 x 80 x 25mm. It runs on a 5V adapter from a 100-277V supply. Everything to wire two zones ships in the box, including temp sensors and control link cables. One note: it pairs only with PhotonTek controllable LED drivers and fixtures, so it is not a universal 0-10V controller.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 100 LED Drivers:\u003c\/strong\u003e Two zones drive up to 50 PhotonTek fixtures each.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwin 0-10V Channels:\u003c\/strong\u003e Independent analog control of two zones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1% Dimming:\u003c\/strong\u003e Steps 10-100% at 1% regulation accuracy for precise PPFD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSunrise\/Sunset Ramps:\u003c\/strong\u003e 0-30 minute ramps ease plants through each transition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemp-Based Safety:\u003c\/strong\u003e Dimming across 0-40 degrees C and switch-off from 10-50 degrees C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed Driver Support:\u003c\/strong\u003e Runs same or different wattage drivers per zone (465\/600\/1000W).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes power adapter, two temp sensors, and control cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eProduct Code\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePTEKM0017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 (0-10V analog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax Drivers\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e100 (50 per zone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePhotonTek controllable LED (465\/600\/1000W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimming\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0%, 10-100% at 1% accuracy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSafety Dimming Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-40 degrees C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSafety Switch-Off Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e10-50 degrees C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSunrise\/Sunset\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0-30 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e100-277V AC to DC 5V\/2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e125 x 80 x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eIn the Box\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eController, power adapter, 2 temp sensors (5m), 2 LED link cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/digitalcontroller_scheme_updated-1-min.png\" alt=\"\" title=\"\"\u003e\u003c\/div\u003e","brand":"PhotonTek","offers":[{"title":"Default Title","offer_id":46297340543190,"sku":"PHOTNTKDGCNT","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/PhotonTek_Digital_Lighting_Controller_main_image_1050_x_1050.webp?v=1783462964"},{"product_id":"quest-deh-3000r-wall-mounted-humistat","title":"Quest DEH 3000R Wall Mounted Humistat with Sensor","description":"\u003ch2\u003eWhat the Quest DEH 3000R Controls\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe DEH 3000R is a low voltage digital humidistat for Quest dehumidifiers, with a remote humidity and temperature sensor that mounts apart from the control. It runs on 24 VAC from the dehumidifier and never touches line voltage, and its part number is 4028531. The control range is 35 to 70 percent relative humidity, read to plus or minus 5 percent, across an operating range of 10 to 95 percent. Temperature is sensed from 30 to 90 °F. The dehumidifier output holds a band of about 3 percent around the setpoint. A room set to 50 runs down to 47 and rests until it drifts back to 53. A fan mode runs the unit's blower continuously or only on demand. A ventilation output drives a damper, held open, held closed, or on a programmed schedule with separate weekday and weekend blocks. Each block carries a morning and a night routine with open and closed durations set in 5 minute steps up to an hour. A high temperature cutout, set at 99 °F from the factory and adjustable, shuts everything down if the room overheats. Features include a dry cycle timer and an auto reboot after power loss. A tripped breaker overnight does not leave the room unguarded until morning. The backlit LCD shows time, day, humidity and temperature at rest, and adds setpoint, fan, mode and damper state when running. The back panel carries terminals for 24 VAC, damper, dehumidifier, fan, on and off detect, and a 5 A auxiliary relay. The control measures 4.95 by 1.06 by 4.19 in. Compatible units run from the Quest 70 through the Dual 105, 155, 165, 205 and 225, the 335, the 506, the 746 and the 876. It is not for the 110 and 150 overhead units.\u003c\/p\u003e\n\u003ch2\u003ePlacing a Remote Dehumidifier Humidistat Where the Reading Counts\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA remote dehumidifier humidistat is only as good as the air its sensor sits in, and that is the whole reason for the separate sensor. Mount the sensor about 5 ft off the floor, in the canopy's air, away from the dehumidifier outlet, the supply duct and any direct lamp heat. A sensor in the dehumidifier's own dry air stream shuts the unit off early and lets the far end of the room climb. Run the sensor on 24 gauge four conductor solid wire, the kind sold as two line telephone cable, and keep the run under 100 ft. Heavier wire will not seat in the splice connectors Quest supplies. Wire the control to the dehumidifier's low voltage terminals and nothing else. The controller is a 24 VAC device, and line voltage on its terminals ends it. Set the humidity target for the stage, then leave the 3 percent band to do its work rather than chasing the display. Set the high temperature cutout a few degrees above the hottest the room is allowed to get. A failed cooling stage then trips the dehumidifier off instead of adding its heat to the problem. Use the ventilation schedule to bring outside air in during the cool part of the day where the room allows it. Put the control itself at eye height by the door, where the LCD gets read on the way in and out. Check the sensor reading against a handheld meter at the start of each cycle. A reading that has drifted outside the 5 percent band means a sensor that wants cleaning or replacing before the next cycle.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemote humidity and temperature sensor:\u003c\/strong\u003e Mounted in the canopy's air, up to 100 ft of wire from the control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e35 to 70 percent setpoint:\u003c\/strong\u003e Read to plus or minus 5 percent, with a 3 percent band around the target.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e24 VAC, low voltage:\u003c\/strong\u003e Powered from the dehumidifier, never line voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVentilation schedule:\u003c\/strong\u003e Damper open and closed routines by weekday and weekend, in 5 minute steps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFan on or auto:\u003c\/strong\u003e Continuous blower or on demand.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh temperature cutout:\u003c\/strong\u003e Factory 99 °F, adjustable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto reboot and dry cycle timer:\u003c\/strong\u003e The room is covered again after a power loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBacklit LCD:\u003c\/strong\u003e Time, day, humidity, temperature, setpoint and mode at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuest part 4028531:\u003c\/strong\u003e For the Quest 70 through the 876; not the 110 and 150 overhead units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eQuest\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4028531\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eUPC\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e859029004373\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWall mounted digital humidistat with remote sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eElectrical\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMax current\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 A each, damper, compressor, fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOutput\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3 A, 24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAuxiliary relay\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHumidity operating range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e10 - 95% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHumidity control range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e35 - 70% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHumidity accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e±5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e30 - 90 °F, 2% accuracy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eControl band\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAbout 3% around setpoint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHigh temperature cutout\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e99 °F factory, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSensor wiring\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e24 AWG 4-conductor solid, maximum 100 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eControl size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4.95 x 1.06 x 4.19 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCompatible\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eQuest 70, 155, 185 Cool, 205, 225, 335, 506, 746, 876; Dual 105, 155, 165, 205, 225\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eNot compatible\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eQuest 110 and 150 overhead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1.1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Quest","offers":[{"title":"Default Title","offer_id":46297355747542,"sku":"4028531","price":450.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/quest-deh-3000r-wall-mounted-humistat-1.webp?v=1791560877"},{"product_id":"replacement-probe-for-hanna-waterproof-ph-ec-tds-meter","title":"Replacement Probe for Hanna HI9813-6N Waterproof pH\/EC\/TDS Meter","description":"\u003ch2\u003eWhen to Fit a Hanna Replacement pH Probe\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eA meter body rarely fails outright. The glass wears, the junction clogs, and calibration starts drifting, and that is the probe rather than the electronics. This one carries a pre-amplified pH electrode, so the signal is boosted at the probe and picks up less noise along the cable. EC and TDS are read amperometrically across two stainless steel pins. A temperature sensor sits in the same body, which is what compensates both the pH and the conductivity readings. The range is \u003cstrong\u003epH 0 to 13\u003c\/strong\u003e, compensated from \u003cstrong\u003e0 to 50 °C\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eWhat the HI1285-6 Probe Fits and How It Plugs In\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe body is polypropylene and the pH tip is a spherical \u003cstrong\u003e8 mm\u003c\/strong\u003e bulb. Fins around it take the knock when the probe lands on a bench. Inside is gel electrolyte against a single Ag\/AgCl reference, so there is nothing to refill. It plugs in through a \u003cstrong\u003eQuick Connect DIN\u003c\/strong\u003e fitting with CAL Check, on a seven-pole cable \u003cstrong\u003e1 m\u003c\/strong\u003e long. Maximum pressure is \u003cstrong\u003e0.1 bar\u003c\/strong\u003e. Before you replace anything, try the junction. The cloth junction pulls out to expose a fresh surface, and drifty or erratic readings often come back from that alone. One thing to check on the part number. The \u003cstrong\u003eHI1285-7\u003c\/strong\u003e is the GroLine HI9814 probe and is not the same fitting, so match the number to the meter you actually own.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-amplified pH electrode:\u003c\/strong\u003e The signal is boosted at the probe, so cable noise has less to work with.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree readings, one body:\u003c\/strong\u003e pH, EC and TDS, with a temperature sensor compensating both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperometric EC and TDS:\u003c\/strong\u003e Two stainless steel pins rather than a separate conductivity cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Connect DIN with CAL Check:\u003c\/strong\u003e One plug, and the meter can flag a probe that is out of condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtractable cloth junction:\u003c\/strong\u003e Pull it to expose fresh surface when readings go drifty or erratic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGel electrolyte:\u003c\/strong\u003e Single Ag\/AgCl reference with nothing to refill or top up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective fins on the bulb:\u003c\/strong\u003e The spherical 8 mm glass tip survives the knocks a bench gives it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolypropylene body:\u003c\/strong\u003e Chemically resistant, for tanks running mineral feed day after day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the number to the meter:\u003c\/strong\u003e HI1285-6 is the HI9813-6 series probe. HI1285-7 belongs to the HI9814.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHanna Instruments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI1285-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e716816\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eMultiparameter replacement probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eGroChek HI9813-6 series portable meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeasures\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003epH, EC, TDS and temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 to 50 °C, 32 to 122 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003epH Electrode\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePre-amplified, spherical 8 mm glass tip with protective fins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eEC and TDS Sensor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eAmperometric, two stainless steel pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eReference\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSingle Ag\/AgCl with gel electrolyte\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eJunction\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCloth, extractable to expose a fresh surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBody Material\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCable\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e7-pole, 1 m, 3.3 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eConnector\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eQuick Connect DIN with CAL Check\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMaximum Pressure\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.1 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eNot Interchangeable With\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHI1285-7, which is the GroLine HI9814 probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMeter Included\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNo. This is the probe only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297361907926,"sku":"716816","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna-hi1285-6-replacement-probe-1.webp?v=1789400340"},{"product_id":"save-a-drop-inline-water-flow-counter-meter","title":"Save A Drop Inline Water Flow Counter Meter","description":"\u003ch2\u003eInline Water Flow Meter for Precise Irrigation\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eThe meter threads inline on a \u003cstrong\u003e3\/4 in garden hose\u003c\/strong\u003e and shows live usage on an easy-to-read LCD. It measures to \u003cstrong\u003e0.1 gallon\u003c\/strong\u003e and logs both a single watering and running total. Switch the readout between \u003cstrong\u003egallons and liters\u003c\/strong\u003e to match your logs. A CR2032 battery is included to run the display.\u003c\/p\u003e\n\u003ch2\u003eStandardizing Feed Volumes Across Zones\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eReading exact volume per zone helps you avoid over-watering and root stress. Match feed amounts from bed to bed for even growth. It runs from \u003cstrong\u003e0.75 to 116 psi\u003c\/strong\u003e with a minimum flow around \u003cstrong\u003e0.52 GPM\u003c\/strong\u003e. A rugged waterproof housing holds up to daily hose use in a greenhouse.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eReads to 0.1 gallon:\u003c\/strong\u003e Precise volume for beds, containers, and hydro systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-use and total:\u003c\/strong\u003e Logs one watering and a running total.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGallons or liters:\u003c\/strong\u003e Switch the LCD to match your feed logs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3\/4 in garden hose fit:\u003c\/strong\u003e Threads inline on a standard hose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.75-116 psi:\u003c\/strong\u003e Works across common irrigation pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof housing:\u003c\/strong\u003e Rugged build for daily greenhouse use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.1 gallon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eReadout\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eLCD, gallons or liters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTracks\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSingle-use and total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHose Thread\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e3\/4 in garden hose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003ePressure Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.75-116 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMinimum Flow\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.52 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#fff;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBattery\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCR2032 (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHousing\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eWaterproof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"*AAA NO Brand","offers":[{"title":"Default Title","offer_id":46297367773398,"sku":"LGP0550","price":19.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Save_A_Drop_Inline_Water_Flow_Counter_Meter_main_image_1050_x_1050.webp?v=1784656515"},{"product_id":"schaefer-manual-fan-speed-controller","title":"Schaefer Manual Fan Speed Controller","description":"\u003ch2\u003eSchaefer Manual Fan Speed Controller for Barns, Greenhouses and Grow Rooms\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eSchaefer built the MSC-400 as a single-output speed control for variable speed fan motors in agricultural, commercial and industrial buildings. It runs on either \u003cstrong\u003e115V or 230V AC\u003c\/strong\u003e, single phase, at \u003cstrong\u003e50\/60 Hz\u003c\/strong\u003e. The rated load is \u003cstrong\u003e12.5 full load amps\u003c\/strong\u003e, enough to carry a whole row of circulation fans from one knob. The knob turns fan speed from low to high, and a separate ON\/OFF toggle stops the fans without losing that setting. Inside the lid sit two trimmers, one for the high limit and one for the low limit. The low limit matters most, because it sets the slowest speed a motor can hold before it hums or stalls. Protection is built in, with a fused overload, transient protection and an RFI noise filter. The case is non-metallic, fire-retardant plastic sealed with a rubber gasket, so spray and greenhouse humidity stay out of the electronics. It measures \u003cstrong\u003e7 3\/4 x 4 3\/4 x 3 3\/4 in\u003c\/strong\u003e and weighs about \u003cstrong\u003e4 lbs\u003c\/strong\u003e. Schaefer backs it with a two-year limited warranty from the date of manufacture.\u003c\/p\u003e\n\u003ch2\u003eWiring and Tuning a Manual Variable Speed Control on a Fan Bank\u003c\/h2\u003e\n\u003cp style=\"text-align: justify;\"\u003eMount the box on a post or wall near the fans it feeds, where the knob is easy to reach on a walk-through. Schaefer calls for a qualified electrician to wire it, following the instructions packed with the control. Before anything goes on the circuit, add up the nameplate amps of every fan and keep the total inside that current rating. Eight circulation fans at 1.5 amps each, for example, land at 12 amps and leave a little headroom. On cool nights you can dial horizontal airflow fans down so they keep air moving across the canopy without chilling it. When the house heats up in the afternoon, the same knob brings them back to full speed in seconds. To set the floor, turn the knob all the way down, then adjust the LOW LIMIT trimmer until the slowest fan turns steadily. It will not suit every motor on the farm. Schaefer warns that small, highly inductive motors drawing 0.5 amps or less can jerk or lock, because the electronics are too strong for them. Check that each fan is rated for variable speed operation before adding it to the group. The same output can also dim up to five 250-watt incandescent heat lamps, which is useful over a propagation bench.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul style=\"text-align: justify;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-voltage 115V or 230V input:\u003c\/strong\u003e One model covers a 115V hobby house or a 230V commercial range on a single-phase circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12.5 full load amps:\u003c\/strong\u003e A group of variable speed circulation or exhaust fans runs from one knob when their nameplate amps fit inside the rating.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eON\/OFF toggle switch:\u003c\/strong\u003e The fans shut down and restart at the same speed you left them on, with no need to find the setting again.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh and low limit trimmers:\u003c\/strong\u003e You set the fastest and slowest points so every fan in the group runs smoothly at low speed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFused overload and RFI filter:\u003c\/strong\u003e Fuse and transient protection guard the circuit, and the RFI noise filter cuts electrical interference from the speed control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGasketed non-corrosive enclosure:\u003c\/strong\u003e The fire-retardant, non-metallic case with a rubber gasket holds up to humidity and wash-down in greenhouses and barns.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo-year limited warranty:\u003c\/strong\u003e Schaefer covers the control for its original owner for two years from its manufacturing date.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#333; color:#fff;\"\u003e\n      \u003cth style=\"padding:8px; text-align:left;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"padding:8px; text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eBrand \/ Model\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eSchaefer MSC-400\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eController Type\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eManual variable speed, single output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eVoltage\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e115V or 230V AC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003ePhase \/ Frequency\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eSingle phase, 50\/60 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eCurrent Rating\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e12.5 full load amps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eControls\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eSpeed knob, ON\/OFF toggle, high and low limit trimmers\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eProtection\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eFused overload, transient protection, RFI noise filter\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eEnclosure\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eNon-metallic, water-resistant, fire-retardant plastic with rubber gasket\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eAlso Controls\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003eUp to five 250W incandescent lamps\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eDimensions (L x W x H)\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e7 3\/4 x 4 3\/4 x 3 3\/4 in\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eWeight\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e4 lbs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f9f9f9;\"\u003e\n      \u003ctd style=\"padding:8px;\"\u003eWarranty\u003c\/td\u003e\n      \u003ctd style=\"padding:8px;\"\u003e2-year limited\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Schaefer","offers":[{"title":"Default Title","offer_id":46297368133846,"sku":"HGC737644","price":264.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/schaefer-msc-400-manual-fan-speed-controller-main-v1.webp?v=1790271016"},{"product_id":"titan-controls-co2-regulator","title":"Titan Controls CO2 Regulator","description":"\u003cp\u003eThe CO2 Regulator is compatible with Titan Controls Atlas 1 CO2 Monitor\/Controller, Apollo 12 Short Cycle Timer or any other 120 volt CO2 controllers and timers available today. One of the best CO2 Regulators available in the marketplace! The solid brass fittings and rugged design will stand up to the harshest greenhouse environments!\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eCompatible with Titan Controls CO2 Controller or other 120 volt controllers and timers.\u003c\/li\u003e\n \u003cli\u003ePrecision accuracy flow meter - .5 to 15 SCF\/hour.\u003c\/li\u003e\n \u003cli\u003eCO2 helps increase overall plant growth.\u003c\/li\u003e\n \u003cli\u003eFeatures heavy-duty solenoid valve.\u003c\/li\u003e\n \u003cli\u003eIncludes 12' of co2 dispensing line.\u003c\/li\u003e\n \u003cli\u003e1 Year Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\n  If you're confused or have questions about CO2, check out our \u003ca href=\"\/blog\/understanding-co2-in-your-garden-co2-buyers-guide\"\u003eCO2 buyers guide.\u003c\/a\u003e \u003cbr\u003e\u003cbr\u003e\n  Want to know know long your tank will last in your growing space? Using a co2 \u003ca href=\"\/co2-calculator-for-grow-rooms\"\u003e calculator\u003c\/a\u003e will help you use your CO2 efficiently. \u003ca href=\"http:\/\/www.titancontrols.net\/media\/11440\/702710_co2reg_instructions.pdf\" target=\"_blank\"\u003eInstructions\u003c\/a\u003e\u003c\/p\u003e","brand":"Titan Controls","offers":[{"title":"Default Title","offer_id":46297393987798,"sku":"702710","price":103.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan_controls_co2_regulator_702710-01.jpg?v=1733836796"},{"product_id":"titan-controls-substrate-sensor","title":"Titan Controls Substrate Sensor","description":"Titan Controls Substrate Sensor\n\u003cp\u003eThe Substrate Sensor from Titan Controls is designed to help you maximize your production by allowing you to accurately measure critical substrate parameters.\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eAccurate monitoring of EC, VWC, and temperature\u003c\/li\u003e\n \u003cli\u003eCompact design\u003c\/li\u003e\n \u003cli\u003eStatus indicator light\u003c\/li\u003e\n \u003cli\u003eCompatible with the Gavita EL3 controller (sold separately)\u003c\/li\u003e\n \u003cli\u003eOne-Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eContains\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eTitan Controls Substrate Sensor - Standard\u003c\/li\u003e\n \u003cli\u003e15ft Cable\u003c\/li\u003e\n \u003cli\u003e3-way Connector (T connector)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cp\u003eIntended for use in a Class 2 circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 6-24 VDC Power: ≤800 mW\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Temperature measuring range:\u003c\/strong\u003e 0 °C-50 °C\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature accuracy:\u003c\/strong\u003e  ±0.5 °C EC\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e  ±800  µS\/cm VMC\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e  ±8% V\/V *Accuracy determined in a controlled environment with multiple substrates.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIP Rating:\u003c\/strong\u003e IP68\u003c\/p\u003e\n\u003chr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan-controls-substrate-sensor.jpg\" alt=\"Titan Controls Substrate Sensor\" title=\"Titan Controls Substrate Sensor\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan-controls-substrate-sensor-packaging.jpg\" alt=\"Titan Controls Substrate Sensor Packaging\" title=\"Titan Controls Substrate Sensor Packaging\"\u003e","brand":"Titan Controls","offers":[{"title":"Default Title","offer_id":46297394282710,"sku":"HGC702601","price":167.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan-controls-substrate-sensor.jpg?v=1733842631"},{"product_id":"titan-controls-vpd-sensor","title":"Titan Controls VPD Sensor","description":"Titan Controls VPD Sensor\n\u003cp\u003eGet the 3-in-1 VPD Sensor now\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eAccurate monitoring of temperature, humidity, and air pressure\u003c\/li\u003e\n \u003cli\u003eEasy-to-read LED screen and status indicator light\u003c\/li\u003e\n \u003cli\u003eCompatible with Gavita EL3 Controller (sold separately)\u003c\/li\u003e\n \u003cli\u003eOne-Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eContains\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e3 in 1 Sensor - VPD\u003c\/li\u003e\n \u003cli\u003e15ft Cable\u003c\/li\u003e\n \u003cli\u003e3-way Connector\u003c\/li\u003e\n \u003cli\u003e8ft Cable 3-way connector (T connector)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cp\u003eIntended for use in a Class 2 or Limited Energy circuit.\u003cbr\u003e\u003cstrong\u003eVoltage:\u003c\/strong\u003e 6-24 VDC\u003cbr\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e ≤800 mW Maximum\u003cbr\u003e\u003cstrong\u003eOperating temperature range:\u003c\/strong\u003e 0 °C-50 °C\u003cbr\u003e\u003cstrong\u003eTemperature accuracy:\u003c\/strong\u003e  ±0.5 °C\u003cbr\u003e\u003cstrong\u003eRelative humidity accuracy:\u003c\/strong\u003e  ±5% RH\u003cbr\u003e\u003cstrong\u003eVapor pressure deficit accuracy:\u003c\/strong\u003e  ±100 Pa\u003cbr\u003e\u003cstrong\u003eMinimum environment airflow:\u003c\/strong\u003e 0.5 - 1 m\/s\u003c\/p\u003e\n\u003chr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/HGC702000-01.jpg\" alt=\"Titan Controls VPD Sensor\" title=\"Titan Controls VPD Sensor\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan-controls-grow-room-sensors.png\" alt=\"Titan Controls Grow Room Sensors including Titan Controls VPD Sensor\" title=\"Titan Controls Grow Room Sensors including Titan Controls VPD Sensor\"\u003e","brand":"Titan Controls","offers":[{"title":"Default Title","offer_id":46297394413782,"sku":"HGC702000","price":192.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/titan-controls-vpd-sensor-cable.jpg?v=1733842624"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/collections\/subcategory-header-controllers.webp?v=1732642353","url":"https:\/\/growershouse.com\/collections\/controllers-meters.oembed?page=18","provider":"GrowersHouse","version":"1.0","type":"link"}