7 in 1 Pool Test Strips: These pool and spa test strips can be used to test 7 water quality parameters, including total hardness, total chlorine, bromine, free chlorine , pH, cyanuric acid (stabilizer) and total alkalinity. Accurate Readings: These pool and spa test strips provide you with faster and more accurate test results. Make them easier to read with clear, colorfast charts that explain what your results mean and how to keep your water clean all year round. Easy to Use: You can easily use these pool water test strips. Just dip and compare with a large color chart on the bottle. Ideal range marked on the bottle. Carefree Dive and Swim: Relax in the sparkling clear waters of your pool or spa. These test strips provide reliable, accurate readings in seconds so you can enjoy your next swim stress-free. 50 STRIPS MEANS 50 TESTS: Each pool test strip provides accurate and fast results for any water source, including fresh and salt water pools, spas and hot tubs.
