QT, Rust Dissolver, Specially Formulated Water Based Product Designed To Dissolve & Remove Rust & Oxidation On A Variety Of Surfaces, Suitable For Use On Iron, Steel, Aluminum, Chrome, Galvanized Metal, Porcelain, Tile, Fiberglass, Glass, Auto Cooling Systems & Firearms, Apply By Brush Or As A Bath, Quickly Penetrates Every Void Of Metal Surface To Dissolve Rust Fast, Powerful, Proprietary Formulation Takes The Hard Work Out Of Rust Removal & Transforms Surfaces To Like New Condition.