TA pH Test Kit with color scale, measuring range pH 4.0 - 8.5, 30 ml, sufficient for 500 tests

The pH Tester from Terra Aquatica (formerly GHE) is ideal for quick, easy testing. To determine the pH of your nutrient solution, simply fill the included vial halfway with the liquid to be tested and add 2-3 drops of the indicator solution. Close the lid and shake well. You can then easily determine the pH by comparing the color with the included color scale. With one vial of test solution, you can perform over 500 tests at an unbeatable price.

- Including color scale
- For up to 500 tests
- Measuring range pH 4.0 - pH 8.5