Description
The 7-in-1 is our most comprehensive test strip. Trusted by service professionals, this test strip tests for seven key factors in seconds. Parameters measured: Total Hardness: 0-1,000 ppm, Total Chlorine: 0-10 ppm, Total Bromine: 0-20 ppm, Free Chlorine: 0-20 ppm, pH: 6.2-8.4, Total Alkalinity: 0-240 ppm, and Stabilizer (Cyanuric Acid): 0-300 ppm