Home / Chemicals / Pool / Chlorine/Bromine / Box of 4 gallons of Liquid Shock $38.99 Box of 4 gallons of Liquid Shock quantity Add to cart SKU: LIQCS Categories: Chemicals, Chlorine/Bromine, Pool, Shocks/Oxidizers Product ID: 2223 Description Description 12.5% Sodium Hypochlorite. Weekly: 1 gallon/10,000 gallons of water/ Opening if clear: 3 gallons/10,000 gallons of water. Related products Sale! 20lb 1″ Chlorine Tablets $189.99 $174.99 Add to cart Enzyme Clarifier (Enzyme for Pools) $30.99 Add to cart 1lb Bag of NST Purify $14.99 Add to cart Sale! 65 lb Turbo Shock $411.99 $365.99 Add to cart