HM Digital PH-200 Waterproof pH/Temperature Meter water-filtration you need to water more

you need to water more often

inserted into pebbles

carbohydrates and nutrients to make them readily available and useful to the plant

Control multiple lights from one time clock or controller device

HM Digital PH-200 Waterproof pH/Temperature Meter water-filtration you need to water moreFEATURES 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 Measurement Range: 0 14 pH Digital Calibration (push button) Auto off function, data hold function and low battery indicator Display: large and easy to read LCD screen includes simultaneous temperature