ECO Farm LCD Display Soil PH Meter Tester

   *  You can carry them and make direct measurement anywhere, anytime. It makes   soil  testing so easy and convenient. Yet with high accuracy.  * Ideal and necessary tool for gardeners, vegetables and fruit producers, and anyone   who plants trees and grass.  * You can take care of your plants. For outdoor and indoor plants, gardens and lawn.   1. Before using the tester, be sure to thoroughly clean its metal probe surface with  clean plain paper towel or cotton with 99% purity alcohol. 2. Press button switch to turn the meter on. 3. Insert the metal probe vertically into the sample that requires testing, at least 6- 8 cm deep. Make sure there is close contact. (Soil need to be with a little moist.) The tester will start testing automatically. After about 1 minute the test is over. Indication light will be on for about 10 seconds. The displayed number is locked, which is the value of pH. 4. After each test, take out the tester, wipe the metal probe clean with towel or tissue paper. D