Description The Easy-Life 6 in 1 water test strips quickly provide you with reliable information on most important water quality measurements in your aquarium. Simply dip the strip briefly into the water for about 30-60 seconds and then compare it with the colour scale on the packaging. It measures pH, KH, GH, CI, NO2 & NO3. In order to achieve an optimal situation in an aquarium, it is extremely important to regularly test the water quality. The Easy-Life 6in1 Test Strips are quick to use and extremely accurate. The Easy-Life 6in1 Test Strips give you the results to six important water parameters within 60 seconds. The following six important water parameters are measured: Acidity level pH Carbonate hardness KH Total hardness GH Chlorine (Cl) Nitrite concentration NO2 Nitrate concentration NO3 Packaging Quantities: 50 strips per packaging