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Piranha II generates heat immediately upon contact with cold water so as to quickly dissolve and remove grease, hair, paper, vegetable matter and all other organic material that causes clogged drains and waste pipes.Piranha II's odorless, non fuming , dry formula is safe on fine fixtures, chrome, brass, metal and plastic pipes. It will not harm septic tanks and cesspools. Because Piranha II is odorless, it is good for homes, schools, hospitals, cafeterias and restaurants.

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ComStar® 1 lb. Piranha 2, Crystal Non-Acid Cold Water Drain Opener Flakes with Aluminum Chips