ACID Magic cleans, clarifies, and etches like full strength muriatic acid. The special blend of ingredients won’t burn intact skin and reduces corrosive fumes, without diluting the strength of the acid. Reduced fumes equal a better working environment. Also, less corrosion to storage areas, pump rooms and equipment. Very effective when used both indoors or outdoors. ACID Magic can be used on most hard surfaces such as concrete, plaster, granite, brick, stone, tile, and glass. ACID Magic has all the strength of standard muriatic acid, but with less harmful effects.