50/100/200PCS Chlorine Dip Test Strips Swimming Pool SPA Hot Tub PH Tester Paper
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity: 0 ~ 240 ppm. Easy to test: free chlorine/bromine, pH, total alkalinity. Total chlorine test range: 0 ~ 10 ppm.