7 IN 1 Chlorine Dip Test Strips for Hot Tub SPA Swimming Pool PH Tester Paper
Test range for total alkalinity: 0 ~ 240 ppm. This pool ph test kit has anti-VC interference ability，The accuracy is 96%. Total chlorine test range: 0 ~ 10 ppm. Free chlorine test range: 0 ~ 10ppm. PH test range: 6.8 ~ 8.4.