Old or dried urine stains can be difficult to remove, often leaving carpet fibers permanently discolored or with an unpleasant lingering odor. The odor of old urine is due to the bacterial decomposition of the urea in the urine which continues as long as there is moisture.
Pour hydrogen peroxide over the stain, then cover it with a clean cloth dampened with hydrogen peroxide. Cover the fabric with plastic wrap, putting a book in if necessary. Let sit overnight or for at least 8 hours. The hydrogen peroxide should remove stains and eliminate the smell of urine.
How long it takes for liquid to dry on a mattress will depend on the quantity of liquid present and how deeply the liquid soaks. A smaller spill or accident will dry more quickly, while a mattress will require 8-10 hours to dry fully after being treated thoroughly with a vinegar solution.
Mix a solution of 2 cups of warm water, 1 tablespoon of salt, 1 tablespoon of liquid dish soap and 1/2 cup of vinegar. Dip a soft cloth or sponge into the mixture and apply to the soiled area. Blot lightly. You may need to do this a couple of times to remove a tough stain.
Urine Can Contain Bacteria That Can Cause Infections
This is especially true if the urine isn't removed completely or the bed is not allowed to dry completely. These bacteria can cause various infections, including urinary tract infections, skin infections, and respiratory infections.
Because urine has contaminants, it can cause permanent damage to your carpet's fabrics and other flooring materials. Furthermore, without proper cleaning treatment, human urine left in your carpet contributes to an unhealthy indoor environment.
That smell of ammonia that gets trapped inside your mattress is caused by bacteria eating away at the residue of the urine. Ammonia from an accident left to soak can cause issues and irritation in the nose, throat and lungs, and cause difficulties breathing.
Our expert, Dr. Bonk, recommends a cleaner with enzymes—proteins that help break up urine molecules and dissolve lingering smells. “Enzymatic cleaners such as Rocco and Roxie or Angry Orange work well and are quicker and easier to use [than baking soda],” she says.
The warm acid state of the urine offers a perfect breeding ground for bacteria, which begin to flourish almost immediately. In this original acid state the urine begins to oxidize and react with the carpet to create a color change, which will become permanent if the urine is not removed immediately.
Make a paste of baking soda and water, and brush it into the stain. Let dry and then wipe off with a damp cloth. If any stain still remains, repeat.
Remove Set-In Urine Stains
If the urine stain is dried or old, soak the fabric in cool water and oxygen-based bleach, such as OxiClean, Clorox 2 for Colors, or OXO Brite. Follow the directions on the package on how to mix the solution.
Most urine stains can be cleaned either with a homemade vinegar cleaner, or a homemade hydrogen peroxide cleaner. Foams soak up liquids quickly, so all-foam beds can hold onto the smell of urine more than other mattresses. Many urine smells can be removed by making and using a simple baking soda paste.
Dawn dish soap has a million uses, including removing urine stains and odor from carpets.
A Mr clean magic eraser will grind down a urine stain. You might want to use one first to roughen up the surface and then apply one of the chemical methods suggested.
Hydrogen Peroxide
Another excellent pet urine remover comes from that well-known, ugly brown bottle. Hydrogen peroxide does a great job at removing dog pee. Just put some peroxide into a spray bottle, soak the stain in a few sprays, and let it sit for about 10 or 15 minutes. To finish the job, clean it up with a rag.
Old or dried urine stains can be difficult to remove, often leaving carpet fibers permanently discolored or with an unpleasant lingering odor.
If the stain has been in the fabric for an extended period of time, soak the article overnight in the vinegar and water, then wash as usual in the morning. Repeat soaking the item in vinegar and water until stain is removed.
HOW TO GET URINE OUT OF A MATTRESS: Create a mattress stain remover by combining 8 oz. hydrogen peroxide, 3 tbsp baking soda, 1 tsp dish soap in a spray bottle - this solution will remove urine stains on its own, just wait until the spots are gone.
Add hydrogen peroxide at a ratio of 1:4 (1 part hydrogen peroxide for every 4 parts water). Spritz the old urine stain liberally and leave it to work for 10 minutes. Then using the cloth, blot it up. Allow the carpet to dry naturally.
Reach for OxiClean™ Max Force™ Spray or Gel Stick to fight back with 5 different powerful enzymes and stain fighters.
The Angry Orange Pet Odor Eliminator is effective at removing cat and dog urine stains and odors and seems to keep pets from soiling the same spot.
Dried urine does not support microbial growth and is thus considered safe and suitable for regular shipment and storage. This is in contrast to liquid urine samples, which must be treated as biohazardous material at all times.
Removes stains fast
It's my first choice for cleaning up urine and pet vomit. It also works well on chocolate and soda. I just clean up the mess and then spray the area completely and walk away for awhile-when I come back the stain is usually gone.