Ultima 40542A TKO pool and spa shock 73% cal hypo 1lb bag or case

Ultima T.K.O. is a fast acting, quick-dissolving multi-purpose pool shock that sanitizes, clarifies, prevents algae and shock treats your pool. Customers love how quickly Ultima T.K.O. works. A 73% Cal Hypo pool shock, one easy-to-use 1 lb. pouch destroys bacteria quicker than any other shock. T.K.O. shock provides powerful protection against stubborn algae blooms all season long, creating safe and clean pool water. Great for spring start-ups. 73% Calcium Hypochlorite. Premium super-fast acting chlorine boost takes cloudy water and turns it clear Extremely effective spring start-up shock treatment 73% calcium hypochlorite