removing urine stains from mattress
1 If the detergent fails to remove the urine stain from your mattress, try using vinegar and baking soda. 2  Vinegar can be used around the home to clean and works fairly well on urine stains. 3  Using a cloth, rub vinegar into the urine stain.ou are not alone. Urine stains are one of the most common stains that can be found on mattresses. Whether the urine stain on your mattress is from a pet or a little kid, we have got the steps to help you out. To remove urine stains from a mattress, you will need: 1  Laundry detergent. 2  Vinegar. 3  Baking soda.