RIT: Rust Remover Sale! from $ 3.66 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Rit Rust Remover: Safely removes rust spots and fabric discoloration caused by rusty water. Ideal for washable white and some colored fabrics. Removes iron and rust in heavy soils. Not for use on wool or silk. Available in: 2 oz (powder) Tweet