Revive R Linen Rust & Stain Remover is designed to restore and revive linens to their “as new" appearance. This concentrated powder can reclaim up to 100 pounds of linen. It removes most rust and iron stains, many beverage stains, and detergent build-up. It is very effective in removing dingy, gray buildup caused by hard water. Revive R contains a unique acid blend that is safe for most white linens not harmed by standard bleaching.