Home / Chemicals / Pool / Chlorine/Bromine / Box of 4 gallons of Liquid Shock View cart “Sirona Chlorine/Bromine Spa Test Strips – 25 Count” 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! 4.8lb 3″Chlorine Tablets $49.99 $44.99 Add to cart Pool Magic + Phos Free $35.99 Add to cart Case of 4 – Oxidizer (Shock) $113.74 Add to cart Box of 12- 1 lb Bags of Turbo Shock $108.74 Add to cart