Get an acidic somewhat abraisive liquid substance such as hot sause, mix with water and apply to affected area, or try pressure washing.
wash with a hose and somehow make it shoot water fast
Easy as pie. My my my. Cleaning grass and leaf stains Aren't even a big pain! Just use Tide to go And you will know That cleaning grass and leaf stains Are most definitely not a pain!
scrub with a chemical or something u use to clean stuff. It should take it out.
spit
Baking soda is the best way to remove acid stains from concrete. Dawn may remove grease stains from concrete. Vinegar is another great solvent for grease stains.
There is no way to get urine stains out of black top driveways. On concrete, bleach can be used, but the stain is never permanently gone.
Salt does not stain you probably have calcium stains. This can be cleaned with a solution of muriatic or hydrochloric acid. try a test piece first and be careful for your eyes.
One of the best ways to clean salt stains off a garage floor is with muriatic acid. Use a light solution or follow the instruction on the bottle.
Check with your local hardware store or Home Depot/Lowes etc. There is a special chemical that is supposed to clean everything from concrete.
It depends partly on what is dirtying the concrete. If it's oils stains and other motor vehicle fluids, you need at least 2,500 psi and special soaps.
There is no abstract noun form of the concrete noun leaf, a word for a physical object.
acid
I would try to contact the company and see if they can come out again for a second time since they left stains behind. I have used tide with bleach mixed with hot water and a stiff scrub brush. I was able to get the stains out with that method, but the stains were only a day old.
There are a few ways one can remove wood stain off of concrete. One way is to use a sandblaster to remove the stains. Another method is using wood bleach, water, and a scrubbing brush.
Pressure washer?