EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine
Brand: EASYTEST
Color: pool-7 in1
EASY AND FAST TESTING: Just soak in water for 1 seconds; Then take it out, hold the test strip horizontally for 15 seconds; Compare with the color chart on the bottle. Test all necessary parameters for your hot tub at one time, such as Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine