First scrub the concrete stain with dish soap and water in order to remove as much urine as possible.
Get rid of concrete stains.
Soak the stained area with the tsp wash for 30 minutes and then scrub the area with a plastic bristled brush.
However the pet store products are most effective.
You can use a pressure washer too.
Step 1 wash the concrete with a mixture of 1 cup trisodium phosphate tsp per gallon of water.
Use the soapy brush to scrub the baking soda into the stain until the stain is gone.
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.
Wet the scrub brush with warm water and apply a few squirts of the soap to the bristles.
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.
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.
Spray the concrete stains with the soap solution.
Rinse with a hose.
Don t rub the surface it will drive the stain further into the concrete.
Use a nylon brush to scrub it away.