The TruFusion™ POWERPLAY™ Pro-Strength Drain Opener quickly opens tough clogs from hair, grease, food, organic matter and soap scum. The unique formula contains 2X the concentrate than leading bleach products, making it the perfect solution to fight against hair and grease clogs, slow-flowing drains and full clogs. Simply pour 16 fl. oz. (1/8 bottle) product directly into drain, allow to work for 10 minutes then flush with warm water. Repeat steps if necessary. This product is safe for use in sinks, tubs and showers. Do not use with plunger, in toilet, urinal or garbage disposals.