GHE pH Test kit 30ml

PH Test Kit from General Hydroponics

It covers a wide range of 4.0 to 8.5.

Just fill the test tube in half, add 2-3 drops of the pH test, shake and see the color obtained. Compare to the bottle color scheme to check the pH level.
Very reliable and easy to use.

• It is suitable for at least 500 tests.