Opens obstructions due to food grease, food residues, paper and other organic matter. Harmless to pipes and plumbing. Also works effectively as a lift station cleaner by quickly converting grease and organic obstructions into a liquid or soft mass that will easily flow. Application: Plumbing Pipes Applicable Material: Stainless Steel PVC.AEPR02701. R02701. Amrep Amrep Alkaline Drain Opener Quart Bottle.