Home / Chemicals / Pool / Chlorine/Bromine / Box of 4 gallons of Liquid Shock View cart “Case of 4 – Oxidizer (Shock)” has been added to your cart. $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 Frog Torpedo Pack 6-pack $249.99 Add to cart Sirona Chlorine/Bromine Spa Test Strips – 25 Count $15.99 Add to cart 1lb Bag of NST Purify $14.99 Add to cart Sale! 10lb NST (Non Stabilized Tablet) $80.99 $69.99 Add to cart