Whink Rust Stain Remover eliminates rust stains from white sinks and white toilet bowls, colorfast fabrics, and carpet, quickly and easily. Safe on pipes and septic systems. Not a general purpose rust remover. Be sure to follow label directions. Do not use on any surface not specifically stated in label directions, including bathtubs, countertops, stainless steel sinks, and glass surfaces. 32 fluid ounce bottle. USA Whink Rust Stain Remover eliminates rust stains from white sinks and white toilet bowls, colorfast fabrics, and carpet, quickly and easily. Safe on pipes and septic systems. Not a general purpose rust remover. Be sure to follow label directions. Do not use on any surface not specifically stated in label directions, including bathtubs, countertops, stainless steel sinks, and glass surfaces. 32 fluid ounce bottle. USA