POWERFUL DRAIN CLEANER: Instant Power's lye drain cleaner is formulated to be tough on drain-clogging matter, clearing your pipes and drains without causing harm to the plumbing and septic system EFFECTIVE AGAINST ORGANIC MATTER: Dissolves hair and creates heat to melt grease, scum, and other organic matter without damaging your pipes; Eliminate clogs and keep them out with this drain clog remover MADE WITH PURE LYE: This powerful drain cleaner is made with 100% lye crystals that cut through sludge, grease, hair, soap, and scum that accumulates in your drain over time QUICK-ACTION FORMULA: Clear drains of clogs and liquefy hair within 15 to 30 minutes; This lye drain opener is safe to use in pipes, toilets, sinks, tubs, kitchens, and showers. SAFE FOR PIPES: Instant Power's lye drain clog remover is the most effective and easiest way to keep your drains clear and free-flowing; It is formulated to be safe to use on all pipes and septic systems