Evapo Rust ER018 Rust Remover With Dip Basket, 3.5 GallonHighlights: Size: 3. 5 gallon Environmentally safe water based product that removes rust in minutes, without scrubbing Non toxic, non corrosive, safe on skin No fumes or bad odors, non flammable, no VOCs Biodegradable, water soluble, can be disposed of safely into sewer Will not affect plastic, PVC, Viton and most paints One gallon de rusts up to 300 pounds of heavily rusted steel Immerse the rusty object in the solution and leave it for 10 minutes