How To Get Urine Stains Out Of Carpet. You can also use paper towels to help absorb any remaining urine. Yes, hydrogen peroxide can work to get old pet urine stains out of carpet, but make sure to start with a small amount and slowly use more as you need it.
How do you get old urine smell out of carpet? How do you remove old urine stains? Dip a soft cloth or sponge into the mixture and apply to the soiled area.