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
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.