Hanna Free Chlorine Checker® Chlorine Testing Because citric acid breaks down

Because citric acid breaks down naturally into environmentally benign compounds

and industrial environments

These valve manifolds will save you time and aggravation

Reduces dissolved organic compounds (DOCs)

more flexible

Hanna Free Chlorine Checker® Chlorine Testing Because citric acid breaks downProduct Code: HI701 The HI701 Checker HC (Handheld Colorimeter) is a simple, accurate and cost effective way to measure free chlorine. Free chlorine is the active form of chlorine used for disinfection of drinking water, swimming pools and spas, and vegetable rinse water. Free chlorine in water is also harmful to a reverse osmosis membrane and needs to be monitored for removal from source water prior to being used. Designed as a more accurate