JBL ProAquaTest pH test set sp. 6.0-7.6

JBL pH test 6.0-7.6 pH.

Easy and quick measurement of the pH value of aquarium water.
Only 3 drops should be used per test
Scale. 0.2 pH.

Color scale divided into 9 colours, from green to blue
The test can only be used for measurements of fresh water.
Contains 80 measurements.