2) Aquachek 511710 Pro Swimming Pool Spa 5 in 1 Test Kit Strips 5-Way 100 Pack

AquaChek s Pro 5 Way test strips provide pool owners with an easy effective way to test the five most common chemical factors of total chlorine total bromine free chlorine pH and total alkalinity that control your pool s overall health. Once inserted into the water Pro 5 Way gives a quick accurate reading of these critical chemical components enabling you to identify problems and keep your pool healthy and clean.