Unleash GroLine Waterproof Hydroponic pH Tester HI98118

GroLine Waterproof Hydroponic pH Tester HI98118 Two-Button Operation Quick Calibration Mode using Hanna Quick Cal pH/EC Calibration Solution Cloth junction providing a larger surface area than a standard ceramic junctionYou may also like Hanna pH Tester with 0.1 pH Resolution.