It s important to note that the longer the rust stain has been on your concrete the more difficult it will be to remove.
How to remove rust stains from stained concrete.
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.
Cut your hose on jet or a similar setting.
By the way my rust stain issues are now over because i added a water softener which removes the iron from the well water.
Spray the stains directly to see what you can get up.
Homes that rely on well water are also prone to rust stains as well water tends to be high in iron.
How to remove rust stains from concrete.
Use a nylon scrub brush to work the solution into the stain scrubbing until the marks are gone.
This won t get rid of all rust but will get rid of anything surface level so you don t waste your time deep cleaning it.
You can re treat the area as needed for stubborn stains.
However it happens a rust spot can really tarnish the look of your home.
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.
In hindsight a longer soaking would be a good idea.
First let s try the easiest thing.
How to remove rust stains from concrete.