Whink 1291 Rust Stain Remover, Liquid, Acrid, Clear, 16 oz, Bottle

Whink® rust stain remover in the "brown bottle" has been the #1 pure liquid rust stain remover since 1947. This convenient liquid formula quickly and easily removes rust stains from white sinks and white toilets, as well as colorfast fabric and carpets. Safe on pipes and septic systems.