Zep ZDC16 Build-Up Remover, Powder, Tan, Mild, 18 oz Bottle Tan

Drain care build-up remover powder helps prevent clogs in sinks, toilets and showers. The enzyme-based formula breaks clogs by cleaning and removing build-up. Using monthly helps maintain home pipes and prevent clogs before they happen. The certified, biodegradable formula, breaks down into carbon dioxide, minerals and water.