Whink 1232 Rust Stain Remover, 32 Oz Whink Rust Stain Remover is a fast and easy way to remove even the most stubborn of rust stains from white sinks and toilet bowls. Liquid rust stain remover can also be used on colorfast fabrics and carpets as needed and is safe for use in any septic or piping system. Not a general purpose rust remover. Features Use to remove rust stains from white sinks or toilet bowls Liquid stain remover formula quickly works to break down even the toughest of stains Can also be used to remove stains from colorfast fabrics and carpet Safe for use in all septic systems and piping Not a general purpose rust remover USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.