pH & PPM Measurement

8 products

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Bluelab pH Pen - Hydro4LessBluelab pH Pen - Hydro4Less
Bluelab Bluelab pH Pen
$ 109.99
Bluelab Truncheon Nutrient Meter - Hydro4LessBluelab Truncheon Nutrient Meter - Hydro4Less
Bluelab Bluelab Truncheon Nutrient Meter
$ 129
Save $ 2
Bluelab Conductivity/PPM Pen - Hydro4LessBluelab Conductivity/PPM Pen - Hydro4Less
Bluelab Bluelab Conductivity/PPM Pen
$ 95 $ 97
Save $ 10.05
Bluelab Grower's Toolbox Limited Edition - pH PPM Pen Blue Lab Meter Tester NEW - TheHydroPlug
Bluelab Bluelab Grower's Toolbox Limited Edition - pH PPM Pen Blue Lab Meter Tester NEW
$ 169.95 $ 180
Save $ 4.05
Bluelab Soil pH Pen - Hydro4LessBluelab Soil pH Pen - Hydro4Less
Bluelab Bluelab Soil pH Pen
$ 155.95 $ 160
Bluelab Replacement pH Electrode Probe for pH Meters, Guardian Monitors - Hydro4Less
Bluelab Bluelab Replacement pH Electrode Probe for pH Meters, Guardian Monitors
$ 47.99
Save $ 40
Bluelab Combo MeterBluelab Combo Meter
Hydro4Less Bluelab Combo Meter
$ 289 $ 329
Bluelab Leap pH Probe PH/EC/TDS Meters & Solutions Part & System For Hydroponics - Hydro4Less
Bluelab Bluelab Leap pH Probe PH/EC/TDS Meters & Solutions Part & System For Hydroponics
$ 98.99

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