Next get buckets of warm water and broom detergent sprinkle detergent in small areas small amount of water and rub into concrete sort of like cleaning pots pans let set for awhile than mop up it takes time but works.
Treat concrete for urine under carpet.
Here are some possibilities.
To remove the tsp and urine you can use a shop vac to suck out the substances.
Dry and deodorize residual room urine smells with an ozone generator.
Tsp or trisodium phosphate is a heavy duty cleaner that penetrates porous concrete.
Cover with plastic sheeting for 1 to 2 hours to slow the evaporation rate of odorzyme and allow time for the first application to soak deeply into the concrete.
Concrete is porous like glass.
This solution changes the stain and odor into an evaporable gas of water and oxygen.
This solution is poured onto the surface of the stain and allowed to sit for 8 hours.
A 2 to 1 mixture of warm water and white vinegar spray this over the affected area or spread it with a brush and.
Unfortunately when you remove the carpeting to replace it the adhesive usually does not come off with the carpet in all areas.
Peroxide dish soap and baking soda.
Note that as the first application of odorzyme goes to work the urine odor may intensify at first.
A 3 percent hydrogen peroxide solution spray it on let it sit for a few minutes and blot dry.
Carpet that is attached to a concrete floor is usually held down by adhesive.
First a dry enzyme powder is mixed fresh with water.
Next apply and scrub in enzymatic cleaner to remove odor.
Instead of drawing the urine to the top of the concrete tsp soaks into the floor and neutralizes the urine there.
First clean spots with a two to one vinegar and water mixture tsp or hydrogen peroxide and rinse off concrete.
The second step is to pour the accompanying gentle peroxide solution over the stain.