Damp Rid GAL RUST STAIN REMOVER

No more unsightly rust stains. Original RustAid reachs the iron in rust stains to neutralize and remove stain from almost any surface, painted or bare, indoors or outdoors. Use it wherever you see rust stains on tile, grout, sinks, tubs, toilets, diswashers, counters, and on all your outdoor problem areas too. It even works on tools. No rubbing or scrubbing. Rust stains simply vanish. Easier and less expensive than sealants when painting over rust-stained walls. Safely removes calcium, lime, rust, and iron. Rated No. 1 in lab tests. Gallon.