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Hanna Professional Waterproof Portable pH/ORP Meter- HI98190
Regular price $799.99 USDRegular priceUnit price per$799.99 USDSale price $799.99 USD -
TolMaster Drop-in/inline Heavy Duty Nutrient EC/Temp Sensor (PCT-3)
Regular price $229.43 USDRegular priceUnit price per$229.43 USDSale price $229.43 USD -
Bluelab OnePen - With replaceable pH, Conductivity (EC) & Temperature Probe
Regular price $249.00 USDRegular priceUnit price per$249.00 USDSale price $249.00 USD -
Myron L Ultrapen PT1 (EC)/TDS/Salinity Pen
Regular price $284.31 USDRegular priceUnit price per -
TrolMaster Carbon-X - CO2 Sensor with cable set
Regular price $366.08 USDRegular priceUnit price per$366.08 USDSale price $366.08 USD -
HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Regular price $322.51 USDRegular priceUnit price per -
Bluelab Guardian Monitor Wifi (Enabled)
Regular price $459.00 USDRegular priceUnit price per$459.00 USDSale price $459.00 USD -
Hanna GroLine Waterproof Portable pH/EC/TDS/Temperature Meter HI9814 (new model)
Regular price $309.99 USDRegular priceUnit price per$309.99 USDSale price $309.99 USD -
Hanna DiST 5 Waterproof Tester
Regular price $135.61 USDRegular priceUnit price per -
TrolMaster Intank EC+Temp Sensor, Heavy Duty (PCT-2)
Regular price $208.48 USDRegular priceUnit price per$208.48 USDSale price $208.48 USD -
Hanna GroLine Replacement pH/EC/TDS Electrode for HI981420
Regular price $214.99 USDRegular priceUnit price per$250.00 USDSale price $214.99 USDSale -
Dilution Solutions Nutrient Delivery System (NDS) Monitor Only - 3/4
Regular price $647.92 USDRegular priceUnit price per -
HM Digital Waterproof pH Meter Model PH-200
Regular price $99.72 USDRegular priceUnit price per -
Hanna Checker pH Tester (HI 98103)
Regular price $44.99 USDRegular priceUnit price per -
Bluelab Guardian Monitor Inline Wi-Fi
Regular price $675.00 USDRegular priceUnit price per$675.00 USDSale price $675.00 USD -
Titan Controls Atlas 9 CO2 Controller with 15 ft Remote Sensor, 400-2000 ppm
Regular price $302.08 USDRegular priceUnit price per -
Bluelab Combo Meter Plus with Leap pH Probe | pH, EC + Temperature
Regular price $399.00 USDRegular priceUnit price per$399.00 USDSale price $399.00 USD -
Bluelab 2.77 EC Calibration Solution 250 mL | 27.7 CF Conductivity Standard
Regular price $11.50 USDRegular priceUnit price per$11.50 USDSale price $11.50 USD -
Bluelab Probe Care Kit pH + Conductivity
Regular price $35.00 USDRegular priceUnit price per$35.00 USDSale price $35.00 USD -
Replacement Probe for Hanna HI9813-6N Waterproof pH/EC/TDS Meter
Regular price $139.99 USDRegular priceUnit price per -
Hanna Instruments pH/EC/TDS Multiparameter Probe for use with HI9814 GroLine Combo Meter
Regular price $155.00 USDRegular priceUnit price per$155.00 USDSale price $155.00 USD -
TrolMaster 2-in-1 EC + Temp Sensor for Reservoir (PCT-1)
Regular price $95.26 USDRegular priceUnit price per$95.26 USDSale price $95.26 USD -
Bluelab Pulse Multimedia EC/MC Meter | Moisture, EC and Temp
Regular price $349.00 USDRegular priceUnit price per$349.00 USDSale price $349.00 USD -
General Hydroponics pH Control Kit | pH Up, pH Down and Test Indicator
Regular price $17.17 USDRegular priceUnit price per
