1 package containing approximately 50 test strips that test for: Free Chlorine, pH, Total Alkalinity, and Stabilizer (Cyanuric Acid) within the following ranges:

• pH: 6.2-8.4

• Free Chlorine: 0-10 ppm

• Total Alkalinity: 0-240 ppm

• Stabilizer (Cyanuric Acid): 0-300 ppm