Soil pH meter / gardening PH detector / soil pH tester Model: HAD-SM-901S This instrument is a good helper for gardening, can test the pH value of the soil (pH), no battery. How to use: first probe the depth Insert the ground into the soil, the upper part of the probe is about 1 cm. The measuring range is 8-3.5. The ALKALINE is alkali, the ACID is acid, the value 7 is basically neutral, and the smaller the number, the higher the acidity. Please adjust according to the plant variety. Soil pH. When using the electrode, do not touch the stone when inserting the electrode. Do not use too much force, otherwise it will easily damage the electrode. Wash the electrode after use.
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