How To Remove Rust Stains From Concrete







White Vinegar or Apple Cider Vinegar

If rust stains are fairly recent this is a nice safe remedy you can try. Simply cover rust stains liberally with white vinegar or apple cider vinegar, let sit for a few minutes and then brush with a heavy duty scrub brush or push broom. Rinse area clean.

Plastic Trash Bags and Kool-Aid

While this might sound a little odd, using the combination of large plastic garbage bags (such as Glad Trash Bags) and Kool-Aid will remove rust stains from concrete. Simply wet the rust stain and cover with yellow lemon flavored Kool-aid powder. Then cover the stain with the plastic trash bag. Let it sit for about 20 minutes, then remove the plastic bag, scrub the stain with a brush or heavy push broom and rinse with a hose or bucket of water.

Kool Aid and Boiling Water

Here is a second method of using Kool-aid to get rid of rust stains from concrete. Boil approximately ½ gallon of water. Add enough yellow lemon flavored Kool-aid as if you were making 2 quarts of lemonade (the instructions are on the container). Pour entire mixture on the stain – then again brush the stain with a scrub brush or heavy push broom until the stain is gone. The hose down or douse with a couple of buckets of water.

Lemon Juice and Salt

If you have rusts stains caused by metal patio furniture on your concrete a mixture of Lemon Juice and Salt will do the trick. Soak the stain with the lemon juice, then cover it with salt. Let it sit and dry in the sun, then scrub with a brush and hose it or rinse it clean.

The Works

The Works is a hydrochloric acid based toilet bowl cleaner that can be used to remove rust stains from concrete. You need to be careful however when using this cleanser because this can be dangerous stuff. Be sure that you follow the directions carefully and remove any furniture or any other items that could be damaged or discolored while trying to remove rust stains. Also be sure to wash down area thoroughly when done.

Commercial Rust Remover

For especially old or stubborn rust stains on concrete you might need to try a commercial rust remover that can be found in most hardware stores or in the links below. Be sure to follow direction on package carefully however because this is some strong stuff.





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