PH Meter TDS PPM Meter Soild PH Tester 3 in 1 for Home Water and Garden Soil Use
PH Tester--Test the PH of the water before drink, which can protect us from unhealty water. Soil tester. Function: Detects soil PH and wetness level. pH range:3.5-8 pH (acidic-alkaline). 1x Soil tester.