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Bluelab pH + PPM Complete Starter Kit with Storage + Calibration Solution
Regular price $189.00 USDRegular priceUnit price per -
TrolMaster Replacement and Backup Temp / Humidity / Light Sensor
Regular price $78.80 USDRegular priceUnit price per$78.80 USDSale price $78.80 USD -
Hanna PHEP 4 Tester With Replaceable Electrode
Regular price $130.99 USDRegular priceUnit price per -
Commercial Grade Combo pH/EC/TDS/Temp Meter
Regular price $463.66 USDRegular priceUnit price per -
Milwaukee MA871 Digital Brix Refractometer | 0 to 85%, IP65
Regular price $191.06 USDRegular priceUnit price per -
Hanna GroLine Waterproof Hydroponic pH Tester HI98118
Regular price $121.43 USDRegular priceUnit price per$121.43 USDSale price $121.43 USD -
Milwaukee pH600 pH Tester | Pocket pH Pen, 0-14 pH, ±0.1 Accuracy
Regular price $27.78 USDRegular priceUnit price per -
Hanna PHEP Tester (Model HI 98107)
Regular price $71.42 USDRegular priceUnit price per -
Hanna GroLine Hydroponic Nutrients Monitor for pH, EC, TDS, and Temperature
Regular price $389.00 USDRegular priceUnit price per -
Hanna GroLine Hydroponic Waterproof Pocket pH/EC/TDS/Temperature Tester HI98131
Regular price $249.99 USDRegular priceUnit price per$249.99 USDSale price $249.99 USD -
Active Air 2-Way pH and Moisture Meter | 0-10 Scales, No Battery
Regular price $8.74 USDRegular priceUnit price per -
TrolMaster Drop-in/inline Heavy Duty Nutrient pH Sensor (PPH-3)
Regular price $208.48 USDRegular priceUnit price per$208.48 USDSale price $208.48 USD -
Active Air Hygro-Thermometer | Indoor Outdoor Temp, RH, 3 m Probe
Regular price $13.26 USDRegular priceUnit price per -
TrolMaster pH Sensor for Reservoir (PPH-1)
Regular price $83.79 USDRegular priceUnit price per$83.79 USDSale price $83.79 USD -
Active Air 3-Way Meter | Soil Moisture, Light and pH, No Batteries
Regular price $9.72 USDRegular priceUnit price per -
Save A Drop Inline Water Flow Counter Meter
Regular price $19.15 USDRegular priceUnit price per -
Myron L Ultrapen PT1 (EC)/TDS/Salinity Pen
Regular price $284.31 USDRegular priceUnit price per -
TrolMaster Intank pH Sensor, Heavy Duty (PPH-2)
Regular price $187.53 USDRegular priceUnit price per$187.53 USDSale price $187.53 USD -
Trolmaster 1.25 Digital Flow Meter
Regular price $104.74 USDRegular priceUnit price per$104.74 USDSale price $104.74 USD -
HM Digital TDS-3 Handheld TDS Meter | 0-9990 ppm, Thermometer, Case
Regular price $23.20 USDRegular priceUnit price per -
Hanna GroLine Direct Soil and Soiless Media pH Electrode for use with HI9814
Regular price $226.32 USDRegular priceUnit price per$226.32 USDSale price $226.32 USD -
Myron L Ultrapen PT2 pH & Temperature Pen
Regular price $318.77 USDRegular priceUnit price per -
Trolmaster Tent-X Main Controller with 3-in-1 Sensor (Temp / Humid / Light ) and Cable set, Free Phone App
Regular price $298.25 USDRegular priceUnit price per$298.25 USDSale price $298.25 USD -
Sensorex pH Sensor
Regular price From $199.00 USDRegular priceUnit price per
