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GroStar GS2-E replacement Soil Spear pH electrode
Regular price $181.99 USDRegular priceUnit price per -
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
Regular price $178.99 USDRegular priceUnit price per -
Autopilot Desktop CO2 Monitor with Memory and Data Storage
Regular price $169.94 USDRegular priceUnit price per -
Day and Night Humidity Controller with Display
Regular price $149.99 USDRegular priceUnit price per -
Autopilot CO2 Replacement Sensor w/15' Cable (for APC8200)
Regular price $149.99 USDRegular priceUnit price per -
Autopilot Desktop CO2 Monitor & Data Logger
Regular price $149.34 USDRegular priceUnit price per -
Day and Night Temperature Controller with Display
Regular price $139.99 USDRegular priceUnit price per -
Active Air CO2 System with Timer
Regular price $123.59 USDRegular priceUnit price per -
Sold outGroStar GS1 pH Pen
Regular price $115.99 USDRegular priceUnit price per -
Sold outGroStar GS3 EC Pen
Regular price $113.99 USDRegular priceUnit price per -
Sold outpHep Tester
Regular price $55.99 USDRegular priceUnit price per$55.99 USDSale price $55.99 USDSold out -
GroStar GS3-E replacement EC electrode
Regular price $53.99 USDRegular priceUnit price per -
Autopilot Dehumidifying Humidistat
Regular price $49.66 USDRegular priceUnit price per -
Autopilot Cooling Thermostat
Regular price $49.12 USDRegular priceUnit price per -
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
Regular price $29.75 USDRegular priceUnit price per -
Milwaukee Instruments pH 600 pH Tester With 1 Point Manual Calibration
Regular price $29.65 USDRegular priceUnit price per
