<p>This powerful, highly concentrated, ready-to-use, alkaline drain opener and maintainer clears clogged drains of organic matter, hair, paper, grease and oils. The formula maintains drains to keep them clear and free flowing to reduce offensive odors emitted by rancid matter in the drain lines. This alkaline drain opener works by saponification of grease and oil, turning them from hard, insoluble matter into soft, soapy-like material which is soluble in water.</p>