Scrub the surface with a stiff bristled nylon brush if it is smooth or painted concrete.
Remove rust stains from concrete.
Work in small circles to remove as many of the rust stains as possible.
Cover the concrete with plastic to prevent evaporation and leave it for several hours or overnight.
Lemon juice or vinegar is a good solution to remove rust stains.
Rinse and repeat if the concrete.
Pour the acid liberally on the rust stains.
Scrub the surface of the concrete with a brush.
Rinse on jet or similar setting.
Acid reacts with the rust and causes it to dissolve.
Rinse the area off with cold water.
Many of these solutions are common household items with the high acidity needed for removing stubborn rust stains.
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.
Use a brush that s appropriate for your concrete to avoid damaging it.
Lemon juice to remove rust stain from concrete for lighter stains a simple lemon juice is as good as any cleaner.
A fairly new rust stain may succumb to the mild acid of white vinegar.
Instructions spray rust stain with hose and scrub with brush to remove any dirt or easy to remove rust.
Using the scrub brush scrub the stain using a considerable amount of pressure.
This cheap and easy method for removing rust stains on concrete comes directly from an editor s hands on diy experience.
It took about eight years for it to turn a deep rusty color.
Squeeze the lemon and let the juice pour all over the stain.
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.
Pour the vinegar over the stain let sit for 10 minutes then scrub with a stiff nylon brush.
For particularly stubborn stains rinse the acid away with a pressure washer.
Using natural products is one of the most effective and inexpensive routes for removing rust stains from concrete.
The near concentrated form of citric acid is great for removing rust stains.
Let the lemon juice or vinegar sit for 5 10 minutes.