RustAid"s Bathroom Spray Gel is specially formulated to dissolve rust stains on contact. There is nothing quite as disgusting as walking into a restroom only to look down and see dark brownish red rust stains coating the inside of a toilet bowl or sink. It doesn"t matter how clean the surface actually is, your brain screams "yuck". And if it happens to be your bathroom that"s not the impression you want to make! RustAid can help. There"s no need for endless scrubbing. The dual action formula beings to break down tough rust and hard water stains immediately on contact. The no mess spray gel sticks to rust stains with minimal dripping or overspray for reduced waste. It works on a variety of surfaces such as tile, stainless steel, chrome, fiberglass, concrete, porcelain, and brick. It also removes calcium deposits and lime scale. Be sure to test in an inconspicuous area before use. How does it work? RustAid reacts with the iron in rust stains to neutralize and remove them from almost any surface, painted or bare, indoors or out. Use it wherever you see rust stains on tile, grout, sinks, tubs, toilets, dishwashers, 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. This is a must have for all households.