WHINK Rust Stain Remover in the "brown bottle", has been the #1 pure liquid rust stain remover since 1947!!! This convenient foaming spray formula quickly and easily removes rust stains from showers, sinks bathtubs & more.

• Dissolves rust stains on showers, tubs, sinks, porcelain, ceramic, plastic, vinyl, tile, concrete, colorfast fabric and carpet, glass, chrome & stainless steel
• Foaming Spray with Active Cling Technology
• Safe on plumbing and septic systems