TRUSTED BRAND: Drano has been used and trusted for generations. Avoid spending money on a plumber and use Drano., GREAT ON GARBAGE DISPOSALS: Drano Dual Force Foamer not only removes clogs, but it also helps clean garbage disposals and leaves them smelling fresh., REACHES WHERE ORDINARY LIQUIDS CAN'T: Foaming action fills the whole pipe and thoroughly clears its walls, dissolving gunk and removes sources of odor. Flush with hot water to remove what's left of the clog., SAFE ON PIPES: Safe for garbage disposals, bathroom, and kitchen sinks., FOR BEST RESULTS: For slow-running drains, slowly pour entire contents of bottle down the drain. Allow the product to work for 1 hour. Flush with hot water. Repeat if necessary.