This product is designed to produce 4 equivalent size containers of Touchless Step 1 cleaner in a' two step' cleaning system. It is not designed to be used or sold without prior dilution. Touchless Step 1 is the low pH first step cleaner in the Polished Series “two-step” system that has been proven to deep clean over-the-road tractors and trailers to a magnificent brilliance. It has been field tested for many years. Touchless Step 1 contains a blend of acids and grease cutters that clean and set the magnetic attraction of the subject soil. Touchless Step 1 will brighten aluminum without the use of hydrofluoric acid, and sets the stage for the ultimate two-step cleaning method. Aluma Dog is safe on polished aluminum.