Product description "TA (GHE) pH Test kit - pH 4.0 - 8.5"

Simple determination of the pH value of the nutrient solution in a hydroponic system.

The pH Test Kit from GHE (General Hydroponics Europe - now Terra Aquatica) allows you to easily determine the pH value of a liquid. Simply fill the included test tube halfway with nutrient solution, mix in two drops of the pH test solution, and shake. Compare the color of the liquid to the color chart and read the pH value.

The contents are sufficient for up to 500 measurements. Measuring range from pH 4 to pH 8.5.