100X 3in1 Chlorine Dip Test Strips Hot Tub SPA Swimming Pool PH Tester Paper
100x 3in1 Test Strip Pool Chlorine pH Value Alkality Water Tester Pool Tester Bromine. Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Total Alkalinity Test Range: 0~240ppm. Free Chlorine Test Range: 0~10ppm.