Stubborn drains can't stand up to you when you've got Liquid-Plumr Pro-Strength Urgent Clear. This easy to use clog destroyer is made with a triple action formula that pours through standing water to unclog and clean pipes. The first gel quickly fills the whole pipe, dissolving hair, soap scum build up, food and other organic matter while the second gel clears slow drains to restore a fast and clear flowing drain. Designed to blast away the toughest clogs in just 7 minutes, it works on hair, soap scum, and grease making it ideal to use in bathtubs, kitchen sinks and garbage disposals. Simply pour the entire bottle down the drain, wait 7 minutes and for slow drains wait at least 15 minutes, then rinse with hot water. This professional strength drain cleaner is safe for all septic systems and pipes, including PVC, plastic, copper and old pipes. Liquid-Plumr has you covered for everything from stinky sinks to fully clogged drains.