POWERFUL MULTISHOCK TREATMENT: O-ACE-sis Multishock delivers rapid chlorine boost to restore crystal-clear water, targeting algae, bacteria, and organic contaminants in a single application.

HIGH-STRENGTH FORMULA: Contains 56% available chlorine in easy-to-pour granule form; 5 lb container provides ample shock for regular maintenance or heavy-duty clean-ups.

IDEAL FOR POOL MAINTENANCE: Designed for use in all pool types, this shock treatment quickly dissolves to sanitize water after heavy bather loads, storms, or algae blooms.

RELIABLE GRANULE DESIGN: Fast-dissolving granules ensure even distribution without clouding, making routine shock treatments simple and effective for ongoing water clarity.