HTH Swimming Pool Advanced Shock - 4-in-1 Chlorine Shock for Salt and Chlorine Pools - 6 Pack, 16 oz. Bags Item #1137695 | Model #94672 then lay out the 1/2-inch

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HTH Swimming Pool Advanced Shock - 4-in-1 Chlorine Shock for Salt and Chlorine Pools - 6 Pack, 16 oz. Bags Item #1137695 | Model #94672 then lay out the 1/2-inchThe 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 gallons and restoring crystal clarity in just 24 hours. This pool shock is great for all pool types and wont fade your pool liner. Test and apply shock treatment directly to your swimming pool every week to keep free available chlorine levels between 1 and