Coupon code applied successfully : Free shipping on orders over $50 View cart “Carboy Shock” has been added to your cart. Shock$9.00 Powerful pool shock designed to boost chlorine levels, kill and prevent bacteria for a clear, healthy pool. Shock quantity Add to cart Category: Pool Chemicals Related products Add to cart Carboy Shock $25.00 Add to cart Alkalinity Increaser $10.50 Add to cart Calcium $8.75 Add to cart Stabilizer $8.50