Pack of 50 Test Strips, 6 in 1 Spa and Pool Strips, Water Test Strips for Testing Free Chlorine, Bromine, Total Hardness, Total Alkalinity, Cyanuric Acid and pH

Material: Made of premium imported filter paper. Easy to Use: Very simple for beginner users, just take a piece of test paper and immerse it in water for about 2 seconds, take it out and lay it flat, and compare the reading with the color card after 15 seconds. Easy to read: The color chart on the surface of the bottle is convenient for reading the test strips. Large color chart allows you to easily distinguish test results Wide Application: Hot tub test strips suitable for drinking water, aquariums, swimming pools and spas, waste water and other liquids. Upgraded 6 in 1 Test Strips: You can test total chlorine, free chlorine/bromine, pH, total alkalinity, cyanuric acid, total hardness at the same time. A pool test strip provides a composition of 6 substances, covering all the necessary parameters you are interested in