pool water tester: 5 in 1 pool test strips, easy and quick analysis in 2 seconds, use colorimetry to quickly obtain pH, residual chlorine, bromine, total chlorine, total alkalinity and total hardness in water tests. It is widely used in swimming pools, SPAs and other industries. Pool Product, Water Quality Tester: Hold the pH tester under water for 2 seconds and stir. Remove and let stand 15 seconds. Compare the pads on the strip with the comparison chart. Pool ph test,Swimming pool PH test strips: Water test strips Check the results with the color card on the container. The test paper is of high precision, easy to use and convenient to carry. Water test strips. Attention : Test results are based on the color card on the box. Pool Water Test Strips: 50 pH test strips, 10 single pieces each shrink-wrapped in foil outer packaging. All are protected from moisture in a resealable jar. The aluminum packaging ensures a long shelf life by protecting the test strips from moisture. Multifunctional water tester: not only suitable for for swimming pools, thermal baths but also for testing drinking water, waste water, and other liquids. 5 in 1 swimming pool test paper Water tests for pools or spas Can test effective chlorine, pH, total hardness, alkalinity. Quantity: 50 test strips per bottle Weight: about 33g Packaging: bottled, each bottle is divided into 5 small foil pouches, each foil pouch contains 10 test strips and 1 vial of 50 test strips. Scope of delivery: 50pcs/set