Use this solution to scrub at the stains.
How to get dark stains off hardwood floors.
Scrub the bleach into the stain with a toothbrush.
Make your own hardwood floor cleaning solution by mixing a cup of white vinegar into a bucket of warm water.
Then scrub it into the stain using a circular motion.
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.
Dip a clean toothbrush into the bleach and swirl it around.
Hydrogen peroxide will lighten the stain with successive applications.
Hydrogen peroxide is also suitable for removing the dark stains and the lingering smell on hardwood floors.
Dip a small brush such as a toothbrush into a small amount of bleach and rub onto the stain.
Do a second round after several hours and let the area rest until the next day.
You can dilute the peroxide with water at first working up to a stronger solution if needed.
Another option is to combine vinegar with baking soda to make a paste.
Make sure the toothbrush is clean and unused so you don t get any stains on the wood.
Adding grapefruit oil to the mix can help with the odor even more.
The result should then be sprayed and wiped onto the exposed surface of the floor.
To remove dark water stains from wood floors you have two options.
In order to create the solution you have to make a mixture of one part bleach and four parts water.