Tests for: Free Chlorine up to 600ppm (mg/L)
Our Hi-Range Free Chlorine strips provide measurements up to 600 ppm. Use the high range free chlorine test to confirm chlorine levels for surface disinfection and to determine when extremely high chlorine is present. Reads free chlorine up to 600 ppm. Test results in seconds with just one dip!
For a clean and healthy pool, test the water at each end a minimum of twice a week!