{"title":"Calibration + Cleaning Solutions","description":"\u003cp\u003eKeep your hydroponic equipment precise and clean with our top-tier calibration and cleaning solutions.\u003c\/p\u003e","products":[{"product_id":"bluelab-calibration-solution-27-7cf-ec2-77-250ml","title":"BlueLab Calibration Solution - 27.7CF\/EC2.77 - 250mL","description":"Calibration solution for Truncheon, Guardian (conductivity), and ppm\/EC pen. \n\u003cbr\u003e\n\u003cbr\u003e\n 2.77 EC = 1350 TDS\/ppm (500 scale) = 1890 ppm (700 ppm) \n\u003cbr\u003e\n\u003cbr\u003e\n The 2.77EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC\/CF probe. These solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with the lids securely tightened.","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_27sol.jpg?v=1733842473"},{"product_id":"bluelab-calibration-solution-27-7cf-ec2-77-500ml","title":"BlueLab Calibration Solution - 27.7CF\/EC2.77 - 500mL","description":"Calibration solution for Truncheon, Guardian (conductivity), and ppm\/EC pen. \n\u003cbr\u003e\n\u003cbr\u003e\n 2.77 EC = 1350 TDS\/ppm (500 scale) = 1890 ppm (700 ppm) \n\u003cbr\u003e\n\u003cbr\u003e\u003ca href=\"http:\/\/sunlightsupply.s3.amazonaws.com\/documents\/product\/732901_MSDS.pdf\" target=\"_blank\"\u003eMSDS\u003c\/a\u003e","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\/27.webp?v=1734008263"},{"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-meter-carry-case","title":"Bluelab Meter Carry Case","description":"*Please note, meter not included as shown in image- this is only for the carrying case \n\u003cbr\u003e\n\u003cbr\u003e\n Bluelab is excited to introduce a new accessory which makes transporting and using their Meters even easier! \n\u003cbr\u003e\n\u003cbr\u003e\n The Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially made for meter probes. The internal strap is a tidy way to tuck away the probe cables. \n\u003cbr\u003e\n\u003cbr\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cli\u003eFirm outer casing for impact resistance\u003c\/li\u003e\n\u003cli\u003eTwo custom pockets to insert Bluelab Probes\u003c\/li\u003e\n\u003cli\u003eInternal strap to tuck probe cables away tidily\u003c\/li\u003e\n\u003cli\u003eNet pocket for Meter to sit in and strap to hold in place\u003c\/li\u003e\n\u003cli\u003eStrong nylon strap with adjustable length\u003c\/li\u003e\n\u003cli\u003e'D' hook at top of outer case for hanging\u003c\/li\u003e\n\u003cbr\u003e\n Removable and adjustable straps provide even more comfort and convenience. The strap can be hung on the wall or used over your shoulder, keeping the Meter safe and dry in the carry case so only the probes go into the nutrient container. In-between use, we recommend placing dry probes into the pockets. Simply zip the Carry Case to close it, then tuck away safely for storage or transport. \n\u003cbr\u003e\n\u003cbr\u003e\n Ideal for use with the following Bluelab Meters \n\u003cli\u003eBluelab Combo Meter (Item #BLU2300E)\u003c\/li\u003e\n\u003cli\u003eBluelab pH Meter (Item #BLU2320E)\u003c\/li\u003e\n\u003cli\u003eBluelab Soil pH Meter (Item #BLU2330E)\u003c\/li\u003e\n\u003cli\u003eBluelab pH and ppm Pens (Item #'s BLU2210 and BLU2221) \u003cbr\u003e\u003cbr\u003e\u003ca href=\"http:\/\/hydrofarm.com\/downloads\/fc\/BlueLab%20Grow%20Book_15059.pdf\" title=\"Blue Lab Grow Book PDF\" target=\"_blank\"\u003eBlue Lab Grow Book PDF\u003c\/a\u003e\n\u003c\/li\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.webp?v=1758922162"},{"product_id":"bluelab-ph-ppm-complete-starter-kit-with-storage-calibration-solution","title":"Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution","description":"\u003ch2\u003eBluelab pH \u0026amp; PPM Complete Starter Kit with Storage \u0026amp; Calibration Solution\u003c\/h2\u003e\n\u003cp\u003eThe kit includes:\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eBlueLab pH Pen\u003c\/li\u003e\n \u003cli\u003eBluelab PPM Pen\u003c\/li\u003e\n \u003cli\u003eBluelab pH Probe KCI Storage Solution 100 ml\u003c\/li\u003e\n \u003cli\u003eBlueLab Calibration Solution - 4.0 pH - 250 ml\u003c\/li\u003e\n \u003cli\u003eBlueLab Calibration Solution - 7.0 pH - 250 ml\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBlueLab pH Pen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Bluelab pH Pen is the latest innovation for hand held pH meters and is the ultimate handy solution for measuring pH.\u003c\/p\u003e\n\u003cp\u003eHydroponic growing lets you give the best care possible to your plants. The quality of care is in your control.\u003c\/p\u003e\n\u003cp\u003eThe Bluelab pH Pen provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients. Teamed with our Bluelab EC Pen or Bluelab ppm Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health.\u003c\/p\u003e\n\u003cp\u003eThe Bluelab pH Pen and conductivity pen range has been specially developed as an affordable and effective option for hobby or small scale growers.\u003c\/p\u003e\u003cstrong\u003eBluelab pH Pen Setup and Calibration Video:\u003c\/strong\u003e\n\u003cbr\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/EYL62M9Y9CQ\" frameborder=\"0\" allowfullscreen\u003e\u003c\/iframe\u003e\n\u003cbr\u003e\n\u003cp\u003eWhy is measuring pH vital to the success of your crop?\u003c\/p\u003e\n\u003cp\u003ePlants eat. They get their nutrition from minerals but they can only get all the minerals they need if certain conditions are right. A key thing that affects food uptake is whether your solution is acid or alkaline. We measure this in pH.\u003c\/p\u003e\n\u003cp\u003eThe clever little pH pen ensures you maintain the optimum pH reading that allows nutrients to be available to your plants.\u003c\/p\u003e\n\u003cp\u003eOnce you have measured the pH using the Bluelab pH Pen and know your plants can get at the food, you then then to measure how much food is available. This is referred to as conductivity and is measured by either ppm or EC. This is where the Bluelab EC Pen or Bluelab ppm Pen comes in.\u003c\/p\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\n\u003cul\u003e\n \u003cli\u003eMeasures pH and temperature\u003c\/li\u003e\n \u003cli\u003eSelectable units for C \u0026amp; F\u003c\/li\u003e\n \u003cli\u003eBacklit LCD display\u003c\/li\u003e\n \u003cli\u003eDouble junction probe (not replaceable)\u003c\/li\u003e\n \u003cli\u003eSuccessful calibration indicator\u003c\/li\u003e\n \u003cli\u003eHold function\u003c\/li\u003e\n \u003cli\u003eLow battery warning\u003c\/li\u003e\n \u003cli\u003eFully waterproof\u003c\/li\u003e\n \u003cli\u003eAuto off function\u003c\/li\u003e\n \u003cli\u003eAutomatic temperature compensation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\n\u003cul\u003e\n \u003cli\u003eUnits - pH,  °C,  °F\u003c\/li\u003e\n \u003cli\u003eRange - 0.0 to 14.0 pH\u003c\/li\u003e\n \u003cli\u003eRange - 0-50  °C \/ 32-122  °F\u003c\/li\u003e\n \u003cli\u003eResolution - 0.1 pH\u003c\/li\u003e\n \u003cli\u003eResolution - 1  °C \/ 1  °F\u003c\/li\u003e\n \u003cli\u003eAccuracy @ 25  °C +- 0.1 pH\u003c\/li\u003e\n \u003cli\u003eBattery type - 1 x AAA alkaline\u003c\/li\u003e\n \u003cli\u003e12 month product guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBluelab PPM Pen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Bluelab PPM Pen is the latest innovation for hand held conductivity meters and the ultimate handy solution for measuring conductivity.\u003c\/p\u003e\n\u003cp\u003eHydroponic growing lets you give the best care possible to your plants. The quality of care is in your control.\u003c\/p\u003e\n\u003cp\u003eThe Bluelab ppm Pen provides a compact, quick and handy way to manage the success of your crops to ensure they have the nutrients they need. Teamed with our Bluelab pH Pen, you have a handy, convenient and accurate system for ensuring optimum plant growth and health.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBluelab pH Probe KCI Storage Solution 100 ml\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe perfect solution to store and hydrate your Bluelab pH products.\u003c\/p\u003e\n\u003cp\u003eBluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of pH probes is reduced heavily when they are stored dry.\u003c\/p\u003e\n\u003cp\u003eBluelab pH Probe KCI Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCI solution to store the pH pen\/probe after use and hydrate monthly. Instructions are on the label of the bottle.\u003c\/p\u003e\n\u003cp\u003eBluelab pH probe KCI Storage Solution is manufactured to high laboratory standards.\u003c\/p\u003e\n\u003cp\u003eRemember - keep your pH probe wet. Always. If it dries, it dies!\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlueLab Calibration Solution - 4.0 pH - 250 ml and BlueLab Calibration Solution - 7.0 pH - 250 ml\u003c\/strong\u003e\u003c\/p\u003e\n\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":"Default Title","offer_id":46297208783062,"sku":"BPPCSKSCS","price":189.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bppcskscs.png?v=1735346711"},{"product_id":"bluelab-ph-probe-kci-storage-solution","title":"Bluelab pH Probe KCI Storage Solution 100\/120mL","description":"\u003cp\u003eThe perfect solution to store and hydrate your Bluelab pH products.\u003c\/p\u003e\n\u003cp\u003eBluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of pH probes is reduced heavily when they are stored dry.\u003c\/p\u003e\n\u003cp\u003eBluelab pH Probe KCI Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCI solution to store the pH pen\/probe after use and hydrate monthly. Instructions are on the label of the bottle.\u003c\/p\u003e\n\u003cp\u003eBluelab pH probe KCI Storage Solution is manufactured to high laboratory standards.\u003c\/p\u003e\n\u003cp\u003eRemember - keep your pH probe wet. Always. If it dries, it dies!\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46297209077974,"sku":"716056","price":15.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/14655_27432.jpg?v=1733837337"},{"product_id":"hanna-1413-us-cm-calibration-solution-16-oz","title":"Hanna 1413 uS-CM Calibration Solution -- 16 oz","description":"TDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride.\n\u003cbr\u003e\n\u003cbr\u003e\n The 1413 ?S\/cm solution is the one best suited for general use. This solution is also available in combination kits with the pH 7 buffer for the easy calibration of multiparameter instruments.\n\u003cbr\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297267437782,"sku":"HI7031L","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/11736_1.jpg?v=1733843149"},{"product_id":"hanna-1500ppm-calibration-solution","title":"Hanna 1500PPM Calibration Solution","description":"TDS solution are produced with high-quality potassium chloride in various concentrations. They are standardized using a conductivity meter calibrated with NIST potassium chloride.\n\u003cbr\u003e\n\u003cbr\u003e\n The 1413 ?S\/cm solution is the one best suited for general use. This solution is also available in combination kits with the pH 7 buffer for the easy calibration of multiparameter instruments.\n\u003cbr\u003e","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\/11736.jpg?v=1733843155"},{"product_id":"hanna-ph4-calibration-solutions-16-oz","title":"Hanna pH4 Calibration Solutions -- 16 oz","description":"Hanna's buffer solutions are made from established formulas and are standardized with a pH meter calibrated to NBS\/NIST primary standard buffer solutions. Now the pH 4 buffers carry lot # and expiry date as well as pH\/C chart on every bottle. HI 7004L\/C and HI 8004L\/C are also supplied with an analysis certificate. \n\u003cbr\u003e\n\u003cbr\u003e\n Hanna pH 4 buffers contain potassium hydrogen phthalate. They are standardized using a pH meter calibrated by primary standard buffer solutions (NIST 186 Ie, NIST 186 IIe and NIST 185g S.R.M.). The pH value is certified traceable to NIST 185g S.R.M. \n\u003cbr\u003e\n\u003cbr\u003e\n HANNA's buffer solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards.","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_2.webp?v=1759165093"},{"product_id":"hanna-ph7-calibration-solutions-16-oz","title":"Hanna pH7 Calibration Solutions -- 16 oz","description":"All Hanna pH7 calibration solution bottles come with a pH Vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. \n\u003cbr\u003e\n\u003cbr\u003e\n Formulation Hanna pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie \u0026amp; 186IIe and NIST 158 g S.R.M.).","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46297269993686,"sku":"716850","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Hanna_pH7_Calibration_Solutions_16_oz.webp?v=1759163296"},{"product_id":"bluelab-peripod-l3","title":"Bluelab PeriPod L3","description":"\u003cp\u003eThe Peripod L3 doser is designed to be teamed with the Bluelab Pro Controller for a fully integrated solution for optimal reservoir dosing. The Bluelab PeriPod is a simple and reliable inclusion which has 1x 1200ml\/min, 40fl oz\/min peristaltic pump for dosing pH adjuster solutions and 2x 1200ml\/min, 40fl oz\/min peristaltic pumps for dosing nutrient stock solutions. The PeriPod L3 responds to dosing triggers received from the Bluelab Pro Controller and pumps pH adjusters and nutrient stock solutions into your reservoir using peristaltic pumps. Accurately measure, control and maintain pH levels. Grow sites are all different so now you can choose the pump size to match your set up needs and add optional extras like Bluelab Alarm Box and Sample Pot to your dosing system set up. Includes 13 feet of acid\/alkaline resistant food grade tubing for dosing pH correction solution and 13 feet of food grade tubing for dosing nutrient stock solution.\u003c\/p\u003e\n\u003cp\u003e2 year guarantee for Bluelab PeriPod\u003c\/p\u003e\n\u003cp\u003e6 month guarantee for pumps and tubes (proof of purchase is required).\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46414112817366,"sku":"716491","price":2995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/716491-01.jpg?v=1735346707"},{"product_id":"bluelab-peripod-m3","title":"Bluelab PeriPod M3","description":"\u003ch2\u003eBluelab PeriPod M3\u003c\/h2\u003e\n\u003cp\u003eUse the PeriPod M3 doser with the Bluelab Pro Controller for a fully integrated solution for optimal reservoir dosing. The Bluelab PeriPod M3 is a simple and reliable inclusion that has 1x 120ml (4fl oz)\/min peristaltic pump for dosing pH adjuster solutions and 2x 120ml (4fl oz)\/min peristaltic pumps for dosing nutrient stock solutions. The Bluelab PeriPod M3 responds to dosing triggers received from the Bluelab Pro Controller and pumps pH adjusters and nutrient stock solutions into your reservoir using peristaltic pumps. Accurately measure, control and maintain pH levels. Grow sites are all different so now you can choose the pump size to match your set up needs and add optional extras like Bluelab Alarm Box and Sample Pot to your dosing system set up. Includes 13 feet of acid\/alkaline resistant food grade tubing for dosing pH correction solution and 13 feet of food grade tubing for dosing nutrient stock solution.\u003c\/p\u003e\n\u003cp\u003e2 year guarantee for Bluelab PeriPod\u003c\/p\u003e\n\u003cp\u003e6 month guarantee for pumps and tubes (proof of purchase is required).\u003c\/p\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46414112850134,"sku":"716490","price":1229.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab_peripod_m3.jpg?v=1735346708"},{"product_id":"bluelab-ph-up-solution-1-gal","title":"Bluelab pH Up Solution - 1 Gal","description":"If your pH isn't in the right range ”“ and that's 5.5-6.5 for most plant varieties ”“ your nutrients are likely wasted. Too high or too low, and you're in trouble. The result is nutrient deficiency or complete nutrient lockout. A sure way to unhappy, unhealthy ”“ even dying ”“ plants. \n\u003cbr\u003e\n\u003cbr\u003e\n Bluelab pH Up and Down Solutions are formulated to the highest standards. Just add what's required to raise or reduce pH. Your plants will thank you for it. The main thing is, you'll see the difference in your harvest. Optimum inputs. Optimum results. Simple. \n\u003cbr\u003e\n\u003cbr\u003e\n\u003cli\u003e35% w\/w Phosphoric Acid (pH Down)\u003c\/li\u003e\n\u003cli\u003e35% w\/w Potassium Hydroxide (pH Up)\u003c\/li\u003e\n\u003cli\u003ePremium quality acid or alkali concentration\u003c\/li\u003e\n\u003cli\u003eUse to adjust nutrient solutions to the optimum range of pH\u003c\/li\u003e\n\u003cli\u003eImprove nutrient availability to plants\u003c\/li\u003e\n\u003cli\u003eEasy to use in any growing system from hobby to commercial\u003c\/li\u003e\n\u003cli\u003eManufactured to high laboratory standards\u003c\/li\u003e\n\u003cli\u003eUse undiluted with Bluelab pH Controller \u0026amp; Bluelab pH Controller Connect\u003c\/li\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46414113276118,"sku":"716346","price":47.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/ph-up-1-gallon.jpg?v=1735346718"},{"product_id":"bluelab-probe-care-kit-conductivity-small","title":"Bluelab Probe Care Kit Conductivity - Small","description":"\u003ch1 style=\"COLOR: rgb(0,45,113);\"\u003eThe instrument is only as accurate as the probe is clean!\u003c\/h1\u003e\n\u003ch3 style=\"COLOR: rgb(0,45,113);\"\u003eProbe cleaning is one of the most important parts of owning and operating any Bluelab meter, monitor or controller. If the probe is contaminated (dirty), it affects the accuracy of the reading displayed. Accurate readings simplify crop management and provide improved growth.\u003c\/h3\u003e\n\u003cbr\u003e\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eProbe care instructions\u003c\/li\u003e\n \u003cli\u003e2x 20ml single-use Bluelab 2.77 EC Conductivity Standard Solution\u003c\/li\u003e\n \u003cli\u003ePlastic cup\u003c\/li\u003e\n \u003cli\u003eBluelab Conductivity Probe Cleaner\u003c\/li\u003e\n \u003cli\u003eBluelab Chamois (conductivity probe cleaning instrument)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n pH meters do need to be calibrated by the user every day since the membrane does change and is affected by the temperature as well. If pH values are very critical then it will need to be recalibrated several times a day, or before each sample test (depending on how critical the value is). Uncontaminated calibration solution is very important as well. For each calibration, pour some solution in a separate container. Keep out of sunlight and away from heat. \n\u003cbr\u003e\n\u003cbr\u003e\n Hydroponic and soil gardens differ in the fact they both need different pH ranges for nutrients to be made available for plant absorption. Maintain a pH between 5.0 and 6.5 for hydroponic gardens and 6.0 to 7.0 for soil applications.\n\u003cbr\u003e\n\u003cbr\u003e\n To re-stock your conductivity probe care kit, Bluelab 2.77 EC Conductivity Standard Solution is available in 20ml sachets, 250ml and 500ml bottles. \n\u003cbr\u003e\n\u003cbr\u003e\u003ca href=\"http:\/\/hydrofarm.com\/downloads\/fc\/BlueLab%20Grow%20Book_15059.pdf\" title=\"Blue Lab Grow Book PDF\" target=\"_blank\"\u003eBlue Lab Grow Book PDF\u003c\/a\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46414113439958,"sku":"HGC716052","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab_15861_25981.jpg?v=1735346722"},{"product_id":"bluelab-probe-care-kit-ph-conductivity","title":"Bluelab Probe Care Kit pH + Conductivity","description":"\u003ch1\u003eEverything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm\/EC) probes.\u003c\/h1\u003e\n\u003cbr\u003e\n\u003ch2 style=\"COLOR: rgb(0,45,113);\"\u003eThe instrument is only as accurate as the probe is clean!\u003c\/h2\u003e\n\u003ch3 style=\"COLOR: rgb(0,45,113);\"\u003eProbe cleaning is one of the most important parts of owning and operating any Bluelab meter, monitor or controller. The probe surface is where the instrument takes the reading of the solution or soil\/media. If the probe face is dirty or contaminated, then the reading will be inaccurate. Accurate readings simplify crop management and provide improved growth.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eA tip… if the conductivity reads low, the probe needs cleaning. pH probes specifically, should be kept wet at all times for optimal performance and life.\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cbr\u003e\n\u003cul\u003e\n \u003cli\u003eProbe care instructions\u003c\/li\u003e\n \u003cli\u003e20ml single-use Bluelab Solution Sachets, 2 each of: pH 7.0 \u0026amp; pH 4.0, KCl, 2.77 EC.\u003c\/li\u003e\n \u003cli\u003e3x plastic cups\u003c\/li\u003e\n \u003cli\u003eBluelab pH Probe Cleaner\u003c\/li\u003e\n \u003cli\u003eBluelab Conductivity Probe Cleaner\u003c\/li\u003e\n \u003cli\u003eBluelab Toothbrush (pH probe cleaning instrument)\u003c\/li\u003e\n \u003cli\u003eBluelab Chamois (conductivity probe cleaning instrument)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n To re-stock your pH \u0026amp; conductivity probe care kit, Bluelab pH 7.0, pH 4.0 and 2.77 EC Solutions are available. Bluelab pH Probe KCl Storage Solution is available. \n\u003cbr\u003e\n\u003cbr\u003e\u003ca href=\"http:\/\/hydrofarm.com\/downloads\/fc\/BlueLab%20Grow%20Book_15059.pdf\" title=\"Blue Lab Grow Book PDF\" target=\"_blank\"\u003eBlue Lab Grow Book PDF\u003c\/a\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":46414113505494,"sku":"716448","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/bluelab_15001.jpg?v=1735346723"},{"product_id":"hanna-ph-checker-complete-starter-kit-with-4-7-calibration-solution","title":"Hanna pH Checker Complete Starter Kit with 4 + 7 Calibration Solution","description":"\u003ch2\u003eHanna pH Checker Complete Starter Kit with 4 \u0026amp; 7 Calibration Solution\u003c\/h2\u003e\n\u003cp\u003eThis pH starter kit contains:\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eHanna Checker pH Tester \/ Meter\u003c\/li\u003e\n \u003cli\u003eHanna pH4 Calibration Solutions -- 16 oz\u003c\/li\u003e\n \u003cli\u003eHanna pH7 Calibration Solutions -- 16 oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHanna Checker pH Tester \/ Meter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe HI98103 Checker is the next generation of the original Hanna Checker pH tester. The Hanna pH Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From gardeners to researchers, the Hanna pH Checker has been helping people with their pH measurement as a meter that is simple to use and operate. \u003c\/p\u003e\n\u003cp\u003eAt the cost of just a few rolls of litmus paper, you can have the industry's best pocket-size pH tester, the Hanna pH Checker. The Checker supplies you with fast and accurate readings from 0.00 to 14.00 pH with a resolution of 0.01 pH. This compact tester features a large easy-to-read LCD and a simple to perform 2-point calibration. The pH electrode of the Checker can be replaced; simply unscrew the electrode from the meter body and screw on a new one. The Checker is fast, accurate, and lightweight. Testing pH has never been easier!\u003c\/p\u003e\n\u003cp\u003eThe Hanna HI98103 Checker pH tester has been designed with many advanced features while maintaining the look and feel of the original Hanna pH Checker. The redesigned Hanna pH Checker now offers automatic calibration to one or two points, automatic buffer recognition, calibrated buffer tags, stability indicator, low battery indicator, and selectable automatic shut off.\u003c\/p\u003e\n\u003cp\u003eThe Hanna Instruments HI98103 has a replaceable electrode. When the electrode needs replacing simply remove the old electrode and attach the new HI1271 electrode.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eEconomical\u003c\/strong\u003e”“ The Checker is a full-featured pH tester at a price that anyone that needs to measure pH can afford. \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLarge LCD\u003c\/strong\u003e”“ Enhanced LCD that displays reading, stability indicator, low battery indicator and calibration tags. \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eReplaceable pH Electrode\u003c\/strong\u003e”“ The HI1271 supplied gel filled pH electrode tapers to an 8 mm diameter at the sensing end. This narrow electrode easily fits into test tubes, vials, and other containers with small openings. \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAutomatic Calibration\u003c\/strong\u003e”“ The Checker is calibrated automatically to one or two points. The calibration buffers are automatically recognized and after calibration the buffer values used are shown on the display as a tag. \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eStability Indicator\u003c\/strong\u003e”“ An hourglass indicator is displayed on the LCD until a stable reading is obtained. Once a reading stabilized the indicator disappears and a reading can be recorded. \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAutomatic Shut-Off\u003c\/strong\u003e”“ The meter can be set to automatically turn off after 8 minutes or 60 minutes to conserve battery life in the event that the meter is left on. The auto off feature can be disabled. \u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLong Battery Life\u003c\/strong\u003e”“ The Checker Plus has an exceptional long battery life of approximately 1000 hours. When the battery power is running low a low battery indicator is displayed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHI98103 Checker \u003c\/strong\u003eis supplied with HI1271 pH electrode, HI70004 pH 4.01 buffer solution sachets (2 x 20 mL), HI70007 pH 7.01 buffer solution sachets (2 x 20 mL), HI700601 electrode cleaning solution sachets (2 x 20 mL), instruction manual, instrument quality certificate and plastic carrying case.\u003c\/p\u003e\n\u003ctable border=\"0\"\u003e\n \u003ctbody\u003e\n  \u003ctr\u003e\n   \u003ctd\u003epH Range\u003c\/td\u003e\n   \u003ctd\u003e0.0 to 14.0 pH\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n   \u003ctd\u003epH Resolution\u003c\/td\u003e\n   \u003ctd\u003e0.1 pH\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n   \u003ctd\u003epH Accuracy\u003c\/td\u003e\n   \u003ctd\u003e ±0.2 pH\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n   \u003ctd\u003eCalibration\u003c\/td\u003e\n   \u003ctd\u003eAutomatic, two points\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n   \u003ctd\u003eBattery Type\/Life\u003c\/td\u003e\n   \u003ctd\u003e1.5V CR2032 (1) \/ approximately 1000 hours of continuous use\u003c\/td\u003e\n  \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHanna pH4 Calibration Solutions -- 16 oz\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHanna's buffer solutions are made from established formulas and are standardized with a pH meter calibrated to NBS\/NIST primary standard buffer solutions. Now the pH 4 buffers carry lot # and expiry date as well as pH\/C chart on every bottle. HI 7004L\/C and HI 8004L\/C are also supplied with an analysis certificate.\u003c\/p\u003e\n\u003cp\u003eHanna pH 4 buffers contain potassium hydrogen phthalate. They are standardized using a pH meter calibrated by primary standard buffer solutions (NIST 186 Ie, NIST 186 IIe and NIST 185g S.R.M.). The pH value is certified traceable to NIST 185g S.R.M.\u003c\/p\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHanna pH7 Calibration Solutions -- 16 oz\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAll Hanna pH7 calibration solution bottles come with a pH Vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy.\u003c\/p\u003e\n\u003cp\u003eFormulation Hanna pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with a pH meter calibrated to NIST primary standard buffer solutions (NIST 186Ie \u0026amp; 186IIe and NIST 158 g S.R.M.).\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46414178353366,"sku":"HPHCCSK47CS","price":65.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hphccsk47cs.png?v=1735348311"},{"product_id":"hanna-tds-1382-calibration-460-ml-case-12","title":"Hanna TDS 1382 Calibration 460 ml","description":"\u003cp\u003eHanna Solutions help keep your meter in good working order. Solutions are compatible with most testers and come in FDA-approved opaque bottle to prevent light from damaging the solutions. Hanna Instruments' testing solution, ideal for gardening, laboratory work, and field experiments, comes in a bottle designed to keep air and light from damaging the solution.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":46414178549974,"sku":"HI7032L","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/hanna_1382_calibration_solution.jpg?v=1735348317"},{"product_id":"hanna-quick-calibration-solution-16-oz-hi9828-25","title":"Hanna Quick Calibration Solution (HI9828-25) | 16 oz","description":"\u003ch2 data-start=\"308\" data-end=\"367\"\u003eHanna Quick Calibration Solution for pH \u0026amp; Conductivity\u003c\/h2\u003e\n\u003cp data-start=\"368\" data-end=\"608\" style=\"text-align: left;\"\u003eThis 16 oz quick calibration solution streamlines single-point pH and EC setup so your portable multiparameter meter reads accurately, fast. Its leak-proof bottle rides securely in your meter case for clean, no-mess calibration on the go.\u003c\/p\u003e\n\u003ch2 data-start=\"610\" data-end=\"665\"\u003eField-Ready HI9828-25 for Hydroponic Water Testing\u003c\/h2\u003e\n\u003cp data-start=\"666\" data-end=\"1021\" style=\"text-align: left;\"\u003eIdeal for growers, this solution simplifies routine reservoir checks and system maintenance by standardizing pH and conductivity in a few quick steps. Use it to reduce drift, improve data confidence, and keep nutrient decisions precise. Compatible with Hanna’s handhelds, it’s a reliable, field-ready choice for pH and EC\/TDS calibration without downtime.\u003c\/p\u003e\n\u003cp data-start=\"666\" data-end=\"1021\" style=\"text-align: left;\"\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1760\" data-end=\"1828\"\u003e\n\u003cp data-start=\"1762\" data-end=\"1828\"\u003eSingle-point pH \u0026amp; EC calibration in minutes for fast turnarounds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1829\" data-end=\"1898\"\u003e\n\u003cp data-start=\"1831\" data-end=\"1898\"\u003eField-ready, leak-proof bottle that nests securely in meter cases\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1899\" data-end=\"1959\"\u003e\n\u003cp data-start=\"1901\" data-end=\"1959\"\u003eConsistent, reliable readings to reduce drift and rework\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1960\" data-end=\"2020\"\u003e\n\u003cp data-start=\"1962\" data-end=\"2020\"\u003eOptimized for portable multiparameter meters (HI9828-25)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2021\" data-end=\"2084\"\u003e\n\u003cp data-start=\"2023\" data-end=\"2084\"\u003eIdeal for hydroponic reservoir checks and routine maintenance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":47223473012950,"sku":"HI9828-25","price":54.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0723\/9450\/6454\/files\/Hanna_Quick_Calibration_Solution_-_16_oz.webp?v=1757971857"}],"url":"https:\/\/growershouse.com\/collections\/calibration-cleaning-solutions.oembed?page=2","provider":"GrowersHouse","version":"1.0","type":"link"}