De-rust your motorcycle/ATV gas tank and all vehicle parts in one easy step . No messy creams or acids. Safe water-based formula is designed to remove rust from iron and steel. Metal Rescue is non-toxic easy to dispose of biodegradable and re-usable. Metal Rescue trade will not harm paint seals gaskets plastic rubber and is safe on bare skin. Works well in all rust-removal applications such as chrome wheels mirrors handle bars kick stands. For optimal results in fuel tank de-rusting fill tank to its entirety with Metal Rescue trade .