Home / Chemicals / Pool / Chlorine/Bromine / Box of 4 gallons of Liquid Shock View cart “Pool Magic + Phos Free” 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 Sale! 10lb NST (Non Stabilized Tablet) $80.99 $69.99 Add to cart Sale! 1lb Bag of Rapid Shock $6.99 $5.99 Add to cart Frog Torpedo Pack 6-pack $249.99 Add to cart Sale! 20lb 1″ Chlorine Tablets $189.99 $174.99 Add to cart