Pool Test Strips, 7-Factor, 50-Ct.
50 count, 7 factor test strip, tests for 7 factors: free chlorine, bromine, total chlorine, alkalinity, ph, total hardness & cyanuric acid.
50 count, 7 factor test strip, tests for 7 factors: free chlorine, bromine, total chlorine, alkalinity, ph, total hardness & cyanuric acid.