TRUEDIRECTION Pool and Spa Test Strips-7 Way 125 Count- Hot Tub Testing-Accurate Chlorine- Test pH-Hardness- Cyanuric Acid- Bromine and More-Swimming Pool Water Testing

TD 7-in-1 pool test strip kit: Test thetotal chemical composition of swimming pool/hot tubs, such as: total hardness,total chlorine, free chlorine, total alkalinity, pH, bromine and cyanuric acid.Research shows that you should test swimming pools and spas at least twice aweek so that you can monitor the water quality regularly. High accuracy: 125 pool counting testpapers are made of high-quality test filter paper. The swimming pool water testkit is suitable for swimming pools, hot tubs, spas and drinking water. It willbe a good helper for your water test kit. Accurate and fast: immerse the pool testpaper in water for 2 seconds; keep it within 12 seconds; compare colors to getaccurate results. Test water in swimming   pools, hot tubs and spas easily andconveniently in just 17 seconds. Effective shelf life: Each test strip ismade of high-quality fiber paper and colorless pulp pad, which can provideimmediate and reliable results. These test strips are packed in well-sealedbottles to ensure that the test strips are stored for 2 years. 24 hours: 24 hours a day expert buttress dedicated team of experts has more than 30 years of experience in the water quality industry. If you                encounter a problem or have any questions, please contact us and we will help you solve the problem. If you are not satisfied with our swimming pool and hot tub test strips, we promise to serve you at any time.