50/100/200Pcs Chlorine Dip Test Strips SPA Hot Tub Swimming Pool PH Tester Paper
Easy to test: Free Chlorine/Bromine ,pH,Total Alkalinity. Test range for total alkalinity:0 ~ 240 ppm. Water test in swimming pool or spa pool. Total chlorine test range:0 ~ 10 ppm. Free chlorine test range:0 ~ 10ppm.