Instant Power Heavy Duty Drain Opener is our economical treatment for bathroom and kitchen drain clogs. This dual hydroxide formula has 15 times the hair dissolvability of common drain openers, dissolves grease, soap scum and is a great alternative to the sulfuric acid drain openers. Heavy Duty Drain Opener is safe on all pipes and septic systems when used as directed. No odors or fumes. Guaranteed to work.