Maximum-strength clog remover works fast to clear clogged drains and restore them to a free-flowing state. Its thick gel clings to clogs longer to dissolve even the toughest clogs. Protective ingredient prevents pipes from corroding to ensure safe use with all pipes even when used overnight. Multipurpose formula is safe for plastic, PVC, metal pipes, garbage disposals and septic systems. Clog remover is perfect for removing hair, soap scum, food waste and more.