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Meters, Testers

Products [58]

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Free Shipping Milwaukee pH Controller
Milwaukee pH Controller
$175.64
Add To Cart
Free Shipping Bluelab Commercial Truncheon Meter EC, PPM
Bluelab Commercial Truncheon Meter EC, PPM
$122.61
(1)
Add To Cart
Free Shipping Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter
Oakton EcoTester CTS Pocket Conductivity, Salinity, and TDS Meter
$89.79
Add To Cart
Free Shipping Future Harvest Grow Boss - Nutrient Monitor
Future Harvest Grow Boss - Nutrient Monitor
$275.65
Add To Cart
Free Shipping HM Digital HydroMaster HM-500
HM Digital HydroMaster HM-500
$283.52
Add To Cart
Free Shipping Bluelab Connect Stick
Bluelab Connect Stick
$129.82
Add To Cart
Free Shipping Bluelab Guardian Connect
Bluelab Guardian Connect
$365.52
Add To Cart
Free Shipping HM Digital Water Resistant Ec/TDS Meter
HM Digital Water Resistant Ec/TDS Meter
$35.56
Add To Cart
Free Shipping Bluelab Growers Toolbox pH, PPM
Bluelab Growers Toolbox pH, PPM
$170.01
Add To Cart
Free Shipping Milwaukee MC720 pH Controller w/ Dosing Pump Kit
Milwaukee MC720 pH Controller w/ Dosing Pump Kit
$289.61
Add To Cart
Free Shipping SureTest pH Test Strip Kit 5.5 - 8.0
SureTest pH Test Strip Kit 5.5 - 8.0
$16.57
Add To Cart
Free Shipping Bluelab pH Controller - Connect
Bluelab pH Controller - Connect
$503.78
Add To Cart
Free Shipping Bluelab pH Controller
Bluelab pH Controller
$457.70
Add To Cart
Free Shipping Bluelab Guardian Monitor Connect In-Line
Bluelab Guardian Monitor Connect In-Line
$452.03
Add To Cart
Free Shipping Rapitest Soil Test pH N,P,K
Rapitest Soil Test pH N,P,K
$25.07
Add To Cart
Free Shipping Bluelab Pro Controller
Bluelab Pro Controller
$878.26
Add To Cart
Free Shipping Milwaukee MW100 Portable pH Meter
Milwaukee MW100 Portable pH Meter
$104.98
Add To Cart
Free Shipping Milwaukee pH Meter pH600 AQ
Milwaukee pH Meter pH600 AQ
$36.50
Add To Cart
Free Shipping 24-7 Nutrient Monitor
24-7 Nutrient Monitor
$181.11
(1)
Add To Cart
Free Shipping Bluelab pH Pen
Bluelab pH Pen
$97.66
(1)
Add To Cart
Free Shipping Bluelab Soil pH Pen
Bluelab Soil pH Pen
$154.82
Add To Cart
Free Shipping Bluelab Guardian Monitor
Bluelab Guardian Monitor
$321.41
Add To Cart
Free Shipping HM Digital Aquapro TDS Water Tester
HM Digital Aquapro TDS Water Tester
$35.49
Add To Cart
Free Shipping HM Digital Waterproof pH Meter
HM Digital Waterproof pH Meter
$86.63
Add To Cart
Free Shipping HM Waterproof EC/TDS/Temp Combo Meter
HM Waterproof EC/TDS/Temp Combo Meter
$68.03
Add To Cart
Free Shipping HM Digital pH 80 Meter
HM Digital pH 80 Meter
$46.09
Add To Cart
Free Shipping Oakton Waterproof EcoTestr pH 1
Oakton Waterproof EcoTestr pH 1
$67.94
Add To Cart
Free Shipping Bluelab Original Truncheon Meter EC, PPM
Bluelab Original Truncheon Meter EC, PPM
$125.61
Add To Cart
Free Shipping Rapitest Digital Soil pH Meter
Rapitest Digital Soil pH Meter
$23.01
Add To Cart
Sure Test Commercial Replacement pH Probe
Sure Test Commercial Replacement pH Probe
$47.25
Add To Cart
Sure Test Pro EC / TDS Pen
Sure Test Pro EC / TDS Pen
$58.97
Add To Cart
Sure Test Temperature and Relative Humidity Data-Logger
Sure Test Temperature and Relative Humidity Data-Logger
$59.02
Add To Cart
Sure Test Commercial Lab Meter Replacement EC / TDS Probe
Sure Test Commercial Lab Meter Replacement EC / TDS Probe
$74.31
Add To Cart
Sure Test Commercial Replacement DO Probe
Sure Test Commercial Replacement DO Probe
$84.95
Add To Cart
Sure Test Commercial Lab Meter Replacement ORP Probe
Sure Test Commercial Lab Meter Replacement ORP Probe
$118.16
Add To Cart
Sure Test GroGuru Stem w/ 2 Sensors
Sure Test GroGuru Stem w/ 2 Sensors
$283.92
Add To Cart
Sure Test GroGuru Stem w/ 3 Sensors
Sure Test GroGuru Stem w/ 3 Sensors
$354.48
Add To Cart
Sure Test GroGuru Base w/ Cellular Modem
Sure Test GroGuru Base w/ Cellular Modem
$354.48
Add To Cart
HM Digital Hydromaster Portable
HM Digital Hydromaster Portable
$185.86
Add To Cart
HM Digital Brix Refractometer
HM Digital Brix Refractometer
$225.06
Add To Cart
Bluelab Combo Plus Meter - Probe Included
Bluelab Combo Plus Meter - Probe Included
$235.20
Add To Cart
Bluelab PeriPod M4
Bluelab PeriPod M4
$806.40
Add To Cart
Free Shipping Bluelab PPM Pen
Bluelab PPM Pen
$82.78
Add To Cart
Sure Test Pro pH Pen Replacement Probe
Sure Test Pro pH Pen Replacement Probe
$43.67
Add To Cart
Sure Test Commercial Replacement EC Probe
Sure Test Commercial Replacement EC Probe
$47.25
Add To Cart
Sure Test Base Plus pH Pen +/- 0.05 ATC
Sure Test Base Plus pH Pen +/- 0.05 ATC
$58.97
Add To Cart
Sure Test Commercial Lab Meter Replacement pH Probe
Sure Test Commercial Lab Meter Replacement pH Probe
$58.97
Add To Cart
Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC
Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC
$70.78
Add To Cart
Sure Test Commercial Multi-Meter w/ pH Conductivity Probes (DO Probe Sold Separately)
Sure Test Commercial Multi-Meter w/ pH Conductivity Probes (DO Probe Sold Separately)
$212.24
Add To Cart
Sure Test Commercial pH / EC / TDS / ORP Lab Meter
Sure Test Commercial pH / EC / TDS / ORP Lab Meter
$295.12
Add To Cart
Mad Farmer pH Test Kit
Mad Farmer pH Test Kit
$4.31
Call 888.676.7101 to order
Mad Farmer pH Control Kit
Mad Farmer pH Control Kit
$10.47
Call 888.676.7101 to order
HM Digital Replacement pH Sensor
HM Digital Replacement pH Sensor
$39.14
Add To Cart
HM Digital pH / TDS / EC / Temp meter
HM Digital pH / TDS / EC / Temp meter
$107.46
Add To Cart
Bluelab Leap pH Probe (Probe Only)
Bluelab Leap pH Probe (Probe Only)
$80.64
Add To Cart
Bluelab Multimedia pH Meter (Leap Probe Included)
Bluelab Multimedia pH Meter (Leap Probe Included)
$168.00
Add To Cart
Free Shipping Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line)
$149.98
Add To Cart
Sure Test Base pH Pen +/- 0.3
Sure Test Base pH Pen +/- 0.3
$28.32
Add To Cart