Colombo GH (Total Hardness) Water Test Kit
GH test Colombo
Used to check and read the Total Hardness of your water.
Colombo liquid tests
Liquid tests for accurate measurement of pH acidity), KH (Carbonate hardness), GH (total hardness, NH3 (ammonia), NO2 (nitrite), NO3 (nitrate) and PO4 (phosphate). to the highest requirements, are easy to use and give a reliable measurement result.