Description :Easy to use, no power, can measure PH of the soil.
Instruction manual :Measured soil PH value, first try to probe deeply into the earth, leaving the upper part of the probe about one centimeter.Note that when you use when you can not hit a stone plug electrodes, do not use excessive force, otherwise is easy to damage the electrode.Wash the electrode after use.Soil PH 9.5 Strong alkalinePackage Included :1 x Soil Fertility Tester