
Rust removers can be toxic. Use carefully.
Rust removers can burn your skin, so be sure they're rinsed well from the fabric.
If you're attempting to remove rust stains from fabric, you may want to use a commercial rust remover. They're available where cleaning supplies are sold. Be careful to follow the directions on the package. Rust removers can burn your skin, so be sure they're rinsed well from the fabric.
A laundry natural…
If rust stains remain in clothing, apply a mixture of salt and lemon juice to the stained area. Let the fabric dry in the sun, then rinse it and repeat the operation. If the fabric can stand hot water, put it in a solution of four tablespoons of cream of tartar to one pint of boiling water. Let the stained area soak until the stain is gone. Then, rinse it and launder it.
Consult professionals…
If the garments made from synthetic or man-made fibers, they may not withstand the hot water. Send these garments to the dry cleaner.
From Kitchen to Bath…
To remove rust stains from sinks, tubs and tile, soak the area with vinegar or lemon juice or treat it with a commercial rust remover.
You may also try using a diluted solution of oxalic acid, it's poisonous, wear protective gloves. To apply oxalic acid solution to the vertical surface under a faucet, mix the solution with cornmeal, making a thick paste. Apply it carefully with water. Don't let any of it get on the chrome hardware. You can buy oxalic acid at most drug stores.
For more information on removing rust stains, contact your local County Extension Office.