EVAPO-RUST is an amazing rust eliminator! A product of extensive research,  Evapo Rust rust remover is an environmentally-safe water-based product that removes rust in minutes. It\'s so easy to use, anyone can restore their rusted tools, auto parts, even firearms to like-new condition. Removes even heavy rust completely Non-toxic, non-corrosive, safe on skin No fumes or bad odours, non-flammable, no VOC\'s Biodegradable, water soluble Requires no special equipment Will not harm unrusted steel, safe on other metals Will not affect plastic, PVC, Viton and most paints It\'s very easy to use EvapoRust to fix all of your rust problems. All it takes is 4 simple steps:   Step 1: Pre-clean the item to remove oil and dirt. In a container, pour a sufficient amount of EVAPO-RUST to completely cover the rusted object.         Step 2: Rinse item and immerse the rusty object in the solution and leave it for 1-12 hours depending on the depth and age of rust - You can leave it overnight for extremely heavy rust. Check progress periodically.         Step 3: Once rust is removed, rinse item with water. If deep rust remains in pits, re-immerse item until all the rust is gone. Un-rusted metal will not be affected. NOTE: This stage is very important in getting the best results       Step 4: To prevent re-rusting, simply dip the item into new Evapo-Rust solution. Then allow item to air dry. This will prevent rust for up to two weeks.           Evapo-Rust can be used over and over until performance drops off and the solution turns completely black. When ready to dispose of Evapo-Rust, only the iron content of the solution will dictate the disposal method. In most cases, it can be safely put down the drain. To prevent rust from coming back, use a rust inhibitor after de-rusting.