Chemical test kit for the determination of free and total chlorine in the range 0.0-0.70/0.0-3.5 mg / l (ppm). 200 tests

Reagent kit for HI 38039 (100 tests)

The HANNA test kit for ozone determines the ozone concentration in water via checker disc. The reaction between ozone and the reagent causes a pink tint in the sample which is proportional to the ozone concentration.