Super Shockwave Calcium Hypochlorite, 1 Lb. Granular (73%) - 25252

THIS ITEM IS ONLY AVAILABLE FOR PICK-UP ONLY. PLEASE SELECT "PICK UP" IN CHECKOUT TO COMPLETE YOUR PURCHASE. MUST BE PURCHASED ONLINE IN ORDER TO OBTAIN THE PRICE AS ADVERTISED. Description: The Super Shockwave 1 lb 73% Cal-Hypo. Cal-Hypo is a chlorine-based compound used to shock and sanitize your swimming pool. It is a genuine Super Shockwave product. Features: Cal-Hypo 73% 1 lb Genuine Super Shockwave product