Clorox Pool&Spa Swimming Pool 3-Way Water Test Kit Refill Solutions test like an expert. They accurately measure bromine, chlorine, and pH levels, providing reliable poolside results. Fresh ...

Whelton, Professor of Civil, Environmental, and Ecological Engineering at Purdue, “Testing for disinfectant like chlorine ... a lot of those test kits aren’t that helpful,” Whelton says.

Once you prepare your chlorine solution, use a test kit to monitor free available chlorine and in some cases, total residual chlorine (TRC) concentrations. Free available chlorine refers to the amount ...