In this case you ll have to replace the wood panels or floorboards.
How to get stains off hardwood floors.
White vinegar hydrogen peroxide and baking soda.
Any stains that haven t penetrated the wood may respond to prolonged exposure.
Continue sanding until you remove the whole stain.
There are commercial products you can use to remove pet stains from your hardwood floor.
There are also home remedies that have successfully been used to clear the stain.
Bleach might have been used to remove the stains from your white clothing but it can do a great job at removing hardwood floor stains as well.
Here s how to go about it.
Urine pet stains on hardwood floors are typically ugly white or black rings.
Do a second round after several hours and let the area rest until the next day.
Moisten a towel with the appropriate cleaner spread it over the stain and leave it for a day or two.
Soak a cotton rag with hydrogen peroxide.
Another option is to combine vinegar with baking soda to make a paste.
Rub out stubborn grease stains with a cotton swab moistened with peroxide followed by a second swab moistened with ammonia.
Dip a small brush such as a toothbrush into a small amount of bleach and rub onto the stain.
Sadly mopping or scrubbing the rings with regular cleaners does nothing to improve their appearance and may make urine odors more obvious.
In order to create the solution you have to make a mixture of one part bleach and four parts water.
The result should then be sprayed and wiped onto the exposed surface of the floor.
Removing the stains requires an oxidizing and bleaching agent like hydrogen peroxide.
Make your own hardwood floor cleaning solution by mixing a cup of white vinegar into a bucket of warm water.
Use this solution to scrub at the stains.
Take 150 grit sandpaper and sand the stain directly again along the grain of the wood.
White vinegar deodorizes and also disinfect therefore the best to remove the stain together with the odor.
Adding grapefruit oil to the mix can help with the odor even more.
To remove dark water stains from wood floors you have two options.
For very severe stains sanding won t even get them out.