Lime-Out is a strong acid cleaner for deliming dish and pan washing machines, coffee makers, steam tables, sinks, stainless steel equipment, or any fixtures having lime film encrustation or water spots. It is not safe for use on aluminum, formica, or galvanized surfaces. Also removes rust stains from fixtures and equipment. Continued regular use helps your dishwasher . Steam table, coffee maker and ice machine perform at maximum efficiency. Contains no muriatic, hydrochloric, phosphoric or sulfuric acid. Certified by the U.S. Environmental Protection Agency's Safer Choice program.