How to Remove Rust Stains on Tile
- 1). Pour 1/4 cup dishwashing liquid into a quart-size spray bottle and fill the rest of the bottle with warm water.
- 2). Shake the contents of the bottle and spray the stained tile with the cleaning solution.
- 3). Scrub the tile with a sponge and rinse thoroughly with cool water. Dry the stained tile with a clean cloth.
- 4). Dampen one end of a clean cloth with kerosene and rub the rust stains until the stain lifts.
- 5). Spray the cleaning solution on the tile again and scrub with a sponge. Rinse the tile thoroughly with cool water and buff dry with a clean cloth. Make sure no kerosene remains on the tile.
Source...