Hach 511249 4"-1 2-Bottle Chlorine Test Shock Kit

The AquaChek Chlorine 4 in 1 ShockChek test kit helps prevent time consuming and 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 Specifications . Chlorine 0 10 ppm. Total Alkalinity 0 240 ppm. Stabilizer Cyanuric Acid 0 300 ppm