Pour or spray lemon juice on the rusted surface.
Best way to clean rust off concrete.
Neutralize the acid with lime or baking soda and rinse thoroughly.
Use a garden hose with a high pressure nozzle.
Use a brush that s appropriate for your concrete to avoid damaging it.
The longer the acid is left on the concrete the more it will clean and possibly etch the surface.
For cleaning concrete pour the lemon juice or vinegar directly onto the rust stain and allow it to sit for ten minutes so the ingredients can fully penetrate the rust.
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.
3 8 in a pump up sprayer i mixed a 50 50 solution of water and a product called acid magic.
Rinse the area thoroughly with a high pressure garden hose.
Vinegar rust stain removal step 1 remove the surface dirt and debris from your driveway by sweeping the area with a stiff broom.
Rinse the area off with cold water.
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.
There are a few rust removal methods that can get rid of those stains and restore the look of your concrete driveway.
For particularly stubborn stains rinse the acid away with a pressure washer.
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.
A homestyle remedy to try is good old vinegar either white or apple cider whichever is cheaper.
This is good to remember when you.