Drano Max Gel Clog Remover clings to tough clogs to blast them fast. It works great to remove hair, soap scum and other gunky clogs. Pours straight through standing water and works quickly to restore drains. Has a special ingredient that protects pipes from corrosion. Application: Drains; Garbage Disposals; Applicable Material: Garbage Disposals; Metal Pipes; Plastic; PVC: Septic Sytems; Dirt Types: Grease; Hair; Soap Scum; Physical Form: Gel.