HTH 52008 Super Shock Treatment Swimming Pool Cleaner, Pack of 6 Description HTH Super Shock Treatment Bag is a powerful shock treatment containing 52% chlorine that provides clear results in 24 hours for quick, hassle-free use. Specially designed to kill bacteria or algae and ideal for all pool surfaces. Available in a 1 pound size and sold in a 6 pack. Features: BENEFITS: Kills bacteria and algae that have grown in your swimming pool; reduces chlorine odor and eye irritation; wont over-stabilize pool chemicals USE: Add this water treatment to your pool every 7-days COMPATIBILITY: Pool care for fresh and saltwater systems FEATURES: Crystal clear results in 24-hours ACTIVE INGREDIENTS: Calcium Hypochlorite Product Details: Brand: HTH Item Weight: 1.1 Pounds Product Benefits: Reduces Chlorine Odor, Kills Bacteria Product Dimensions: 10.5 x 3.75 x 7.4 inches Item Weight: 1.1 pounds Manufacturer: Arch Chemical Item model number: 52008 Is Discontinued By Manufacturer: No