Pool Shock,Prevents Algae & Bacteria,Swimming Pool Chemical,50lb | 65% Cal-Hypo Granular Sanitizer

【Powerful Calcium Hypochlorite Formula】 Made with 65% calcium hypochlorite, Profeliz Pool Shock provides powerful oxidation to remove bacteria, control algae, and remove contaminants,restoring clean and crystal-clear pool water. 【Fast-Dissolving Shock Treatment】 Non-stabilized Cal Hypo granules dissolve quickly and disperse evenly, rapidly increasing chlorine levels to remove impurities, and refresh your pool without chalky residue. 【Profeliz pool shock contains no cyanuric acid (CYA)】 helping prevent chlorine lock and overstabilization. Ideal for weekly maintenance, pool opening, algae treatment, and routine shock treatments. 【Versatile Use】 Suitable for spas,hot tubs,in inground and above ground pools, including saltwater pool systems and vinyl-lined pools. This pool shock works with a wide range of pool surfaces and filtration systems, making it an ideal choice for dependable, year-round pool care. 【Value Pack With Secure Storage】 Packed in a durable bucket with a child-resistant locking lid to keep the product dry and protected. The large-size container provides convenient storage for regular maintenance and seasonal pool care.