This multi-test kit combines popular water treatment tests into one compact kit which can be used to determine chlorine (0 - 3,4 mg/l), hardness (1 - 20 gpg), iron (0 - 4 mg/l) and pH (4 - 10) in the water sample.

• Includes frequently measured water quality parameters Uses simple, economical methods

Hardeness testing: gpg= grains per gallon