K-57 is used to correct systems that are overworked and sluggish. •Made with Roebic’s patented ROETECH bacteria, K-57 provides a concentrated attack on clogged areas relieving overloaded septic tanks, cesspools and drain fields. •Will not damage drains, pipes, disposal systems or porcelain because it contains no corrosive materials. •Corrects overworked systems. •Digests paper. •Safe for the environment. •Certified biodegradable. •Easy to use.