Heavy duty parts detergent specially formulated for use on soft metals. Contains a biodegradable solvent-based cleaning booster particularly effective in penetrating and cleaning hard to remove grease, oil, tar and carbon based deposits. Higher alkalinity and solvent provides the performance of Super Clean while protecting soft metals such as aluminum, copper, brass and other non-ferrous metals. Formulated to work well in hard water **We only ship to the lower 48 states, not Hawaii or Alaska**