Chlorine is universally used for disinfection of water. It is an oxidizing agent and used to eliminate microbial species from water. It is widely used in drinking water, cooling water, swimming pools and effluent treated water, etc. For effective disinfection a residual level of chlorine is to be maintained in water systems.

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AquaPacific Residual Chlorine kit uses Colorimetric method to estimate Residual Chlorine and is calculated in mg/l.