Dissolve 22 Liquid Delimer is a heavy-duty liquid lime scale and rust remover that is fast penetrating and provides excellent cleaning. The Delimer uses organic salt that acts like an acid cleaner that quickly attacks and dissolves mineral scale composed of calcium and magnesium compounds. Use to descale dishmachines, coffee urns, and steam tables. Advisable to not use on galvanized metal or marble. Dissolve is safe for the environment and does not use phosphate or any volatile organic substances. Not considered a corrosive material by the Department of Transportation. - Volume 1 gal - Sold per gallon