AquaChek Chlorine 4-in-1 + Shock Test Strips (50 strips)

The AquaChek Chlorine 4-in-1 + ShockChek test kit helps prevent time consuming and costly cloudy water and algae events – so you can spend more time enjoying your pool or spa and less time maintaining it. This test kit covers the essential chemistries for maintaining balanced water and provides an easy-to-read test that tells you when to shock the water. pH: 6.2-8.4 Free Chlorine: 0-10 ppm Total Alkalinity: 0-240 ppm Stabilizer (Cyanuric Acid): 0-300 ppm Shock - Okay