Flow-Easy FE64 Drain Opener, Oily Liquid, Dark Brown, Odorless, 0.5 gal, Bottle Dark Brown (Pack of 4)

Clogged drains are no match for Flow-Easy sulfuric acid drain opener. Its proprietary virgin sulfuric acid formula dissolves grease and other organic material fast, so your drains open almost instantly. Flow-Easy is the fast-acting, professional-strength drain opener that plumbers reach for first. But it's still safe enough for home use in all types of drains and toilets, even with septic systems. Flow-Easy powers through clogs other drain openers can't. And it can be poured into standing water, eliminating the need to bail the sink before using. Online purchases are in packages of 4.