Baking soda paste
This relies on the abrasive quality of baking soda to remove the stain.
Mix baking soda with water into a paste, then spread it on the metal or the rust stain. Allow the paste to soak into the rust, and then scrub it off using an old toothbrush, a wire brush, or steel wool. You may need to repeat this a few times.
You are now armed with four easy solutions for removing rust in your home and garden. With just a little work, those reddish brown marks will be history – give it a try!