Chlorine 4 In 1 Plus Shock

Tests for: Free Chlorine, Total Chlorine, pH, Total Alkalinity, Stabilizer (Cyanuric Acid)

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.