Super Iron Liquid Out Spray is a specially formulated non-abrasive Rust Stain Remover Designed to dissolve the toughest oxidation Stains on contact. The practical spray bottle trigger makes it easy to use on vertical and hard surfaces to reach places. Advanced Super Iron Out Liquid spray formula is effective, but much safer than traditional liquid rust stains removers due to its non-hydrofluoric Acid design. Rust dissolves stains in sinks, tiles, planters, showers, bathrooms, colorfast fabrics and number of other surfaces.