HTH Super Shock 52026 Pool Chemical, 12 lb Bag, Granular, Chlorine, White

Quickly eliminate unwanted bacteria and algae in your indoor and outdoor swimming pool with a one-pound bag of HTH Super Shock! treatment. HTH Super Shock! treatment is the 4-in-1 powerful pool shock designed to boost chlorine levels and kill and prevent bacteria and algae for a clear, healthy pool. Each pound of super shock! packs a powerful punch, treating 13,500 gal and restoring crystal clarity in just 24 hr. This pool shock is great for all pool types and won't fade your pool liner. Test and apply shock treatment directly to your swimming pool every week to keep chlorine levels between 1 and 4 ppm for healthy swimming conditions.