This cheap and easy method for removing rust stains on concrete comes directly from an editor s hands on diy experience.
Removing rust stains from colored concrete.
The strategy for removal is simple dissolve the rust with an acid but that doesn t always work because iron oxide rust can react with ingredients in the concrete to create permanent discoloration.
Most rust stains require some kind of acidic cleaner such as oxalic acid to remove or at least loosen the rust the acid helps to lift the stain making it easy to scrub away the rust stains.
Tannins from leaves or conifer needles have the same color.
We love how it looks and loved decorating it with patio furniture and a gas fire pit.
Using a pressure washer rinse the natural rust remover off the concrete and enjoy a rust free patio.
Most acids get rid of rust a form of oxide by converting it into an oxide that can be dissolved in water.
While those marks can be difficult to conquer.
Rusty metal outdoor furniture plant pots and tools can transfer that ugly orange brown color to concrete.
My concrete slab got rust stains on it because the lawn sprinklers were fed from a well that was full of iron.
Moreover the stains may not even be caused by rust.
However i guess we should have purchased a cover for the gas fire pit because it did not weather well.
Rust stains on your concrete.
It took about eight years for it to turn a deep rusty color.
So i worked out a system that was cheap easy.
To clean a concrete patio of regular grime or to eliminate a rust stain pour the acidic product over the rust and allow it to sit for at least 15 minutes to allow the acid to penetrate and dissolve the rust.
Our diy molded concrete patio is a fantastic part of our backyard.