16 REASONABLE PARAMETERS - Our water quality tester is designed for testing drinking water. Including 16 crucial parameters like Total Hardness, Free Chlorine, Iron, Copper, Lead, Nitrate, Nitrite, , Total Chlorine, Fluoride, Cyanuric Acid, Ammonia Chloride, Bromine, Total Alkalinity, Carbonate, pH. 125 TESTS - Economical 125 water test strips in one bottle are equivalent to 125 tests. Larger capacity saves you more in one purchase. Complete parameters also wide applications: Drinking water, well water, tap water, well water. It can be used for testing pool, spa, hot tub, aquarium, fish tank, since the parameters are included in this home water test kit already. 3 EASY STEPS - Dip one water testing strip into water for 2 seconds,then remove the test strip and hold it horizontally for 60 seconds. At last compare the strip to the color chart and get the results. Simple steps allow this water test kits for drinking water to be used by everyone . Save time and fortune for lab testing. Know your water in the . STAY HEALTHY - Drinking Water is closely related to human body. Paying attention to water quality is one of the least expensive to stay healthy. Regular testing can build the peace of mind. Our drinking water test kit testing 16 crucial parameters in short time, is a perfect way to check if your water is in good condition. Quick testing, reliable results, compact size, no burden. Colour:multicolor Material:Paper Package Contents: 1 set x water testing kits for drinking water Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.