Hydrofarm MGMLP1 Active Air 3-Way pH, Light and Moisture Meter Helps prevent over watering Provides accurate pH values from 4-9 Sturdy and easy to use Good for use indoors or outdoors No batteries required Gardeners can conveniently test their moisture, light, and pH levels with the handy ActiveAir 3-Way Meter….
Tag: Meter
HM Digital Waterproof pH Meter
HM Digital Waterproof pH Meter Measures pH and Temperature Auto-ranging three point calibration with digital fine tuning Includes 4 pH buffer solution in a sponge embedded in a clear cap, so you can see if it’s dried up Waterproof housing Simultaneous temperature display Professional Waterproof pH/Temp MeterVery reliable waterproof pH…