Insta-Test 6-way Test Strips

The Insta-TEST^® 6 Plus pool & spa strip measures Free Chlorine 0-10 ppm, Bromine 0-20 ppm, Total Chlorine 0-10 ppm, Total Alkalinity 0-240 ppm, pH 6.2-9.0, Total Hardness 0-800 ppm, and Cyanuric Acid (Stablilizer) 0-250.