square head soil tester soil moisture tester detector single needle without battery

Instructions for Use:
    First, insert the probe as deeply as possible into the soil, with the probe reaching about 3/4 of its total length. The measurement range is 1-10, with values 1-3 indicating dry soil, 4-7 indicating suitable moisture, and 8-10 indicating wet soil. Please adjust the soil moisture according to the variety of the plant.

Notes:

1. When using, be careful not to touch the stone when inserting the electrode, and do not exert excessive force, otherwise it is easy to damage the electrode.

2. After use, it is necessary to clean the electrodes in time. (It is strictly prohibited to measure directly into the water.)

3. Do not use it for a long time in the soil! To avoid damage.