Description Newest WATER TEST KIT: The water testing kits for drinking water including 50 Strips that means you can test drinking water for 50 times at home for anytime. The economical and convenient water testing kit for home and school projects. 16 IN 1 WATER TEST STRIPS: Test Strips are contain 16 paramete, it can test total hardness, free Chlorine, Iron, Copper, Lead, Nitrate, Nitrite, Sodium Chloride, Total Chloride, Fluoride, Cyanuric Acid, Ammonia Chloride, Hydrogen Sulfide, Total Alkanlinity, Carbonate, PH. EASY RAPID TEST KIT: ONLY 3 Steps to get accurate results.Frist, Dip one strip into water for 2seconds; Second, remove the test strip and hold it horizontally for 60seconds; Third, comparing strip to color chart for the reference. Theres no need to send the specimens or go to the laboratory any more, you can do it by yourself. WIDELY APPLICATION: The test strips are apply for testing drinking water, home faucets, well water, tap water, pool, hot tub spa and aquarium and more water quality test. For healthy, please use the professional drinking water test strips to detect water quality standards.