Until now, soil growers with the need to keep careful tabs on the pH of their soil have had to rely on either cheap and hokey junk meters or meters that are very expense and hard to get. Accurate pH 7 pH-moisture meter is the best of both worlds. It is relatively inexpensive and is manufactured to high quality standards.
Operation is simple. It works by utilizing the electronic ground field effect of the earth and two dissimilar metals.Clean the electrodes and place the meter into the soil as shown. A pH reading is automatically displayed. Press the green button and a moisture reading is displayed. Clean the electrodes before each use.
It never needs calibrating. No batteries are required. 6 month limited warranty.