Colombo NO2 (Nitrite) Water Test Kit
NO2 (Nitrite) test Colombo
Used to measure NO2, Nitrite levels in your Koi pond. This test is crucial in affirming the Nitrogen cycle has and is correctly cycling.
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.