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Limited stock of Butterfly Koi released for Sale
Limited stock of Butterfly Koi released for Sale

Colombo GH (Total Hardness) Water Test Kit

£7.99

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.