This testing set is suitable for providing a very accurate measurement of the pH, GH and KH values of pond and aquarium water. The extremely accurate test uses droplets to provide a clear, coloured result and can be used for 100-200 tests.

This testing set is suitable for providing a very accurate measurement of the pH, GH and KH values of pond and aquarium water. The extremely accurate test uses droplets to provide a clear, coloured result and can be used for 100-200 tests.