Get rid of tough clogs and maintain a clean sink with the aid of Liquid Lightning Drain Opener. This is a fast-acting sink treatment that dissolves obstructions. This sulfuric acid drain cleaner is safe for use on septic tanks sinks tubs toilets and other bathroom areas so it can be used with confidence. Simply pour the container down into the plumbing and watch it do its work on clogs and other blockages. The household essential can be utilized in the home office and much more to create a clog-free plumbing system. It is available in a 32 oz bottle that can be stocked and stored in a cabinet or on a shelf until needed. Choose between either a single or 2-pack to meet household needs. This Liquid Lightning Drain Opener is a go-to when the tub begins filling up during showers or will not drain well after baths.