Hanna Combo pH, EC, and TDS (ppm) Tester w/ Replaceable pH Probe worm GPF UPTAKE is derived from

GPF UPTAKE is derived from humified ancient bogs and has been designed with low molecular weight humic to be more compatible with hydro systems

Exterior Material: 99

Contains: Canadian sphagnum peat moss (75–85%/volume)

conductivity and temperature of your nutrient solution

Can be assembled in 5 minutes or less

Hanna Combo pH, EC, and TDS (ppm) Tester w/ Replaceable pH Probe worm GPF UPTAKE is derived fromThe HI98129 is an advanced, waterproof pH, conductivity, and TDS (ppm) tester that makes measuring quick and easy. This lightweight, waterproof pH and TDS (ppm) tester offers accurate pH, conductivity (0 to 3999 S cm), TDS (0 to 2000 ppm), and temperature measurements in a single, portable, pocket device. No more switching between meters for your routine measurements. See all combo pH, EC, and TDS (ppm) testers. Compact & waterproof design fits right