Description Title Safe on metal & plastic pipes! Drano Max Gel pours through standing water and works fast to clear clogged drains and restore them to a free-flowing state. Safe for all pipes, it works great to remove hair, soap scum, and other gunky clogs. • Formulated thick to dissolve the toughest clogs fast • Pours through water straight to the clog • Has an ingredient to protect pipes from corrosion • Safe for plastic, PVC, metal pipes, garbage disposals and septic systems • Won't harm pipes when used overnight • Contains no phosphorus You can buy this product here: Boxed