HM Digital Waterproof pH Meter Model PH-200 NatureVac you can be confident in

you can be confident in the high-quality product you receive

Calibration and warranty are tighter on the Apogee

Balanced Formula: Delivers additional phosphorus and potassium without excessive nitrogen

Lighting Control Adapter F is specially designed for controlling Fluence or any LED using 0~10V code

HM Digital Waterproof pH Meter Model PH-200 NatureVac you can be confident inMeasures 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. Waterproof housing. Simultaneous temperature display. Measurement Range: 0 14 pH. Digital automatic calibration (one point), with digital fine tuning. Auto off function, data hold function and low battery indicator. Display: large and easy to read LCD screen includes simultaneous temperature