Crystal Drain Cleaner

They say an ounce of prevention is worth a pound of cure. Zep commercial build-up remover powder provides 40 doses of prevention for clogs in sinks, toilets & showers. The enzyme-based formula breaks down years of drain-clogging build-up to prevent clogs before they happen. Size: 18 Oz Opens slow drains Prevents clogs by cleaning and removing build-up Use monthly to maintain your homes pipes Certified, biodegradable formula, breaks down into CO2, minerals and water Safe for pipes and septic systems.