7-Way Pool Test Strips – 150 Hot Tub Test Strips Accurate for pH, Chlorine, Bromine, Total Hardness, Alkalinity, Cyanuric Acid for Hot Tub & Swimming Pools

About this item 7 In 1 Pool & Spa Test Strips: Our Wutest spa test strip tests for pH, total chlorine, free chlorine, bromine, alkalinity, total hardness and cyanuric acid which monitor the necessary parameters for your swimming pool at any time you want Easy To Use Just dip the test strips into water for 2 seconds and then remove it,then hold the test strip horizontally for 15 seconds. Last compare the colors with the chart on the bottle with 30 seconds for accurate results Versatile Test Strips: Our Wutest water testing strips function as hot tub test strips, pool test strips for above ground pool, inground pool, and other pool and spa Accurate Pool Testing Kit: Our pool test strips provide highly accurate readings to ensure that you will to get the accurate results. Use our pool test strips at least twice a week for optimal maintenance.The expiration is 2 years from manufacture. Once opened, please use up in 90 days