Use a garden hose with a high pressure nozzle.
Best way to clean rust off concrete.
Neutralize the acid with lime or baking soda and rinse thoroughly.
There are a few rust removal methods that can get rid of those stains and restore the look of your concrete driveway.
Make sure the surface is clean apply the rust remover or acid following the instructions and safety precautions on the bottle let it sit for five to 10 minutes then scrub and rinse.
Using the scrub brush scrub the stain using a considerable amount of pressure.
Use a brush that s appropriate for your concrete to avoid damaging it.
What you need to remove rust stains from concrete hose with sprayer metal scrub brush lemon juice white vinegar.
Pour it on let set and repeat then scrub with a stiff brush.
Almost all rust remover uses acid to lift and scrub away the stain and the high concentration of citric acid in pure lemon juice makes it a worth while cleaning candidate.
For particularly stubborn stains rinse the acid away with a pressure washer.
Rinse the area thoroughly with a high pressure garden hose.
The longer the acid is left on the concrete the more it will clean and possibly etch the surface.
This is good to remember when you.
Pour on the lemon juice and let it sit for 10 minutes before scrubbing with a wire brush.
Pour or spray lemon juice on the rusted surface.
I m not sure power washing is important but i figured any surface dirt might insulate the rust deposits preventing them from being dissolved by the next step the acid.
Rinse the area off with cold water.
A homestyle remedy to try is good old vinegar either white or apple cider whichever is cheaper.