Test strip quick test (15 second) small package size test item: pH, Chlorine, bromine, total alkalinty, total ... :1) Designed to offer user the 3 main parameters in pool and spa testing2) Measuring for free chlorine / bromine, pH, ... a comprehensive testing solution2) Measuring for free chlorine / bromine, total chlorine / total bromine, pH, total alkalinity, and total hardness Test Strip For Pool ...