5 in 1 Water Quality Test Strips, 50 tests
5 in 1 test strips are great for quick, on-site evaluations of water quality with reliable results on every test.
These multi-parameter test strip for five water quality measurements on 1 strip
Free Chlorine (0-10 mg/L)
Total Chlorine (0-10mg/L)
Total Hardness (as CaCO3, 0-25 gpg and 0-425 mg/L)
Total Alkalinity (as CaCO3, 0-240 mg/L)
pH(6.2 -8.4)
*gpg - grains per gallon 17.1 mg/L