HTH 52015 Pool Shock, 13.3 oz Bag, Granular, Chlorine, White (Pack of 6)

HTH® Shock! treatment, 6 bags 13.3 oz each, is an effective, multi-purpose product that sanitizes, clarifies, helps prevent algae and shock treats your pool. It is convenient, easy-to-use and won't over-stabilize your pool. HTH® Shock! treatment is the original swimming pool shock designed to boost chlorine levels and kill bacteria and algae for a clean, clear pool. 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.