Essieny Pool Test Strips Upgrade 6 in 1, PH, Total Chlorine, Free Chlorine, Total Alkalinity, Cyanuric Acid, Total Hardness, Swimming Pool Spa Hot Tub Water Quality Test Strip, 100Pcs

17 seconds to know water quality of pool spa hot tub with essieny test strips. People swimming in pool, pets, dead wildlife leaves, grass, dust, rain and so on will cause the pollution of your pool, poor water quality will cause diseases and pool device damage. So it is very important to test your pool water quality regularly. Essieny pool test strips with quick test and easy understanding features perfect for pool spa and hot tub water quality test. Test 6 Parameters At The Same Time ? PH ? Total Chlorine ? Free Chlorine ? Total Alkalinity ? Cyanuric Acid ? Total Hardness Easy to use 1. Submerge the pool test strip under water for 2s. 2. Take it out and wait for 15 seconds. 3. Compare pool test strip to color chart on bottle. Package include 2 Pack Pool Test Strips (100pcs in total)