Remove rust the safe, clean, and simple way with Metal Rescue rust remover bath. This amazing product effectively and easily removes rust from the most heavily corroded iron and steel parts. Simply soak them in a plastic container of the solution for five minutes to 24 hours, depending on the rust severity, and then rinse and dry. Metal Rescue is non-toxic and contains no caustic ingredients or acids--you can literally put your bare hands into the formula. It's environmentally friendly, too, and is safe for drains and sewer systems. Metal Rescue rust remover bath truly is safe on everything except rust. It will not compromise the functionality or mechanical properties of the metal, and you can use your parts immediately after removal from the liquid.