【15 in 1 Pool PH Test Strips】: Aquarium water test kits consist of 15 items in total. PH, Residual Chlorine, Total Chlorine, Hardness, Total Alkalinity, Copper, Iron, Lead, Nitrate, Nitrite, Carbonate, Bromine, Iodine, Cyanuric Acid. Delivers results in seconds 【Various Applications】: The test strips are suitable for testing drinking water, aquariums, fish tanks, swimming pools and spas, water industry, ponds and hot spring water. 【Professional】: The high-quality water tester with precise color coordination and high sensitivity. Use professional drinking water test test strips to test water quality standards. 【Easy to use】: Dip the drinking water test paper into the water for 2 seconds, keep it in the air for about 1 minute, and then match the color of the bottle to get the reading. 【Easy to carry】: 100 pieces, the water quality should be tested every week The drinking water test strips are easy to handle even for beginners.