P&G Pro Line® Rust Stain Remover, 32 oz Trigger Spray Bottle, 6/Carton (PGC44897) Case of 6This rust and mineral remover quickly and effectively removes rust, iron and other mineral stains from linens, either as a spot treatment or when added to the wash wheel. Saves linen replacement costs by getting unsightly rust spotted linens back into service. Buffered formula for improved user safety. Excellent for use as a carpet brown out (when diluted) or as a rust spotter (undiluted).