Tetra 6 In 1 Test Kit Strips

Dip test for checking 6 water quality indicators in just 60 seconds. •Tests for pH, Nitrite, Nitrate, KH (carbonate hardness), GH (general hardness), and chlorine •Application Simply dip the test strip in the water for a few seconds, and then wait a minute for it to change colour. Then just compare the colours to the chart on the pack to get your readings. Always read the instructions before use.