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Household Hacks & DIY · Nov 07, 2023 edition

Seven Ways to Remove Rust Stains From Metal

From the Genius House Hacks archive.

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Removing rust stains from metal can be done a few different ways, depending on how severe the rust is and what kind of metal is involved. Here are some common methods to try.

Vinegar and Baking Soda

Mix baking soda with white vinegar into a paste, apply it to the rusted area, and let it sit for several hours or overnight. Scrub with a brush or scouring pad, then rinse and repeat if needed.

Lemon and Salt

Sprinkle salt over the rusted area, squeeze lemon juice on top to form a paste, and let it sit for a few hours before scrubbing with a brush or scouring pad. Rinse and repeat as needed.

Commercial Rust Removers

Plenty of rust-remover products are available in stores; follow the manufacturer's instructions for whichever one is chosen.

Wire Brush or Steel Wool

For light rust, a wire brush or steel wool can scrub it away. Take care not to scratch the underlying metal surface.

Phosphoric Acid Solution

Diluted phosphoric acid solutions can be effective on rust. Wear protective gear and follow the manufacturer's instructions closely.

Electrolysis

This more involved method immerses the rusted item in an electrolyte solution and uses a power source to generate a chemical reaction that lifts rust off the metal, highly effective though more work than the other methods here.

Sandblasting or Grinding, and Prevention

For severe rust on larger surfaces, sandblasting or grinding may be needed, ideally by a professional or with proper equipment to avoid damaging the metal. To prevent rust in the future, use rust-resistant coatings or paints and store metal items in a dry environment. Always wear gloves and eye protection when working with rust-removal products or tools, and test any method on a small, inconspicuous area first.

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