Hanna pHep pH Meter nutrients-and-supplements then watch your plants take

then watch your plants take root

unlike other hazardous pH lowering agents

15A 120V switches OFF when sense cord is powered

1000-9990: 10 µS/ppm

After the air is filtered

Hanna pHep pH Meter nutrients-and-supplements then watch your plants takeWaterproof pHep pH Tester The Hanna Instruments HI98107 pHep pH tester is a rugged and reliable pocket sized tester for use in the lab or field. This modern looking meter is only 0. 7" thick and extremely ergonomic, fitting comfortably in your hand. This tester keeps things simple with a two button operation; one for ON OFF, the other for Calibration. The HI98107 tester features a large multi level LCD which displays both pH and temperature readings