How To Remove Cat Urine Stains and Odors From Hardwood Floors

We had our hardwood floors installed a few years back. At the time we had an old dog and old cat.  We have a living room and a family room so we don't use the living room all that much.  I started so smell something funny and followed my nose to the smell.  It appeared that the cat had taken to urinating on in our living room on the floor next to the couch.  There was a huge puddle there.  I wiped up the liquid, but it was obvious that the stain had been there for a couple of days and it had stained our brand new floors and the smell was horrible.  I was horrified and I didn't even want to know how my husband would feel about it.

So I did some research.  I read different things like throwing cat litter on it which sounded kind of messy to me and also would just invite the cat to do it there again.  Another article I read said to use alcohol.  I tried the alcohol which did not seem to do all that much.  I had already tried an odor eliminator called Zero Odor and it seemed to work for a few hours but then the smell would come back again.  In the end the thing that worked best was Hydrogen Peroxide.

Before you try this make sure to test your wood in an area that no one is ever going to see just in case it discolors your floor.  The hydrogen peroxide did not harm my floor at all but I can't guarantee it will not harm yours so please test it first

So you will need some good quality paper towels, the cheap ones won't cut it.  You need something strong like Bounty.

Get a good sized bottle of Hydrogen Peroxide.

You need to wet the paper towel thoroughly with the hydrogen peroxide and then spread the saturated paper towl flatly on to the stain.  Let it sit there over nght.  In the morning remove the paper towel, and wash with another paper towel with a little dish soap on it, then wipe with a dry towel.  The stain will not likely be gone yet.  If it is still there and it likely will be if it is a set in stain, repeat the entire process again.  I did two saturated paper towels per day.  One in the morning and one in the early evening.  Everyday the stain started to fade a bit more.  It took about a week and a half of doing this faithfully and finally the stain became un-noticeable.  Some of the smell still remained but I faithfully sprayed it with the zero odor for a few weeks daily eventually the smell faded as well, my cat had kidney disease so the smell of his urine was pretty potent.

Your cat may be attracted to the smell and try to return to the same area to relieve him or herself.  It might be best to place a laundry basket upside down over the area as you are treating.  It will keep the cat out of the area, but will still allow air to flow freely through.

It is not an immediate solution but if you are diligent and patient you can eventually get rid of or at least fade the stain and get rid of the odor.

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