Spa Check™ 3in1
Pool Check® Low Chlorine 3in1
Get more precise readings on low chlorine levels! Easy to read color blocks and very accurate! Designed to be the ideal testing method for all swimming pool and spa owners, these test strips quickly and accurately report results for many water parameters. These easy-to-read, sensitive, and cost-effective test strips promise to be the sensible alternative to currently available testing products. Pool Check is priced economically to compete directly with currently available test strip and liquid reagent kits.