Use a nylon brush to scrub it away.
Get rid of concrete stains.
Step 1 wash the concrete with a mixture of 1 cup trisodium phosphate tsp per gallon of water.
If you catch the stain early this might be all you need in addition to some sunshine odor can be further reduced by an application of distilled white vinegar.
Soak the stained area with the tsp wash for 30 minutes and then scrub the area with a plastic bristled brush.
You can use a pressure washer too.
Rinse with a hose.
To remove pour one eighth of a cup of liquid dishwashing detergent into a spray bottle then top off the bottle with warm water and shake well.
Often you can remove a brand new stain with only household cleaner and water.
Wet the scrub brush with warm water and apply a few squirts of the soap to the bristles.
Don t rub the surface it will drive the stain further into the concrete.
Use the soapy brush to scrub the baking soda into the stain until the stain is gone.
To make an easy cement floor cleaner apply a thick coating of the baking soda to the stained area of the concrete floor and let sit for approximately 30 minutes.
What we are going to do is scrub the rust off as much as possible and then use lemon juice or vinegar which are both acidic to help remove any remaining stains from your concrete floor.
However the pet store products are most effective.