In The Swim Pool Shock – 68% Cal-Hypo Granular Sanitizer for Crystal Clear Water – Defends Against Bacteria, Algae, and Microorganisms - 12 X 1 Pound

Brand: In The Swim

Features:

• Powerful chlorine shock treatment that is great for regular maintenance.
• Quickly eliminates algae, bacteria, and other harmful contaminants from your pool water.
• Main active ingredient is 68% Calcium Hypochlorite (Cal-Hypo) for quick sanitizing.
• Dosage: 1 Pound per 10,000 gallons
• Cal-Chlor granules can be used in swimming pools, spas and hot tubs. Must pre-dissolve/dilute to prevent bleaching of the liner.