Test an application of hydrogen peroxide in an inconspicuous area of the floor.
How to get dark stains off hardwood floors.
Make sure the toothbrush is clean and unused so you don t get any stains on the wood.
Soak a cloth and apply to the dark water stain and allow 5 to 10 minutes for it to work.
Hydrogen peroxide is also suitable for removing the dark stains and the lingering smell on hardwood floors.
Soak a piece of cloth in hydrogen peroxide and place over the stain overnight or at least 8 hours during the day.
To remove dark water stains from wood floors you have two options.
Another option is to combine vinegar with baking soda to make a paste.
The result should then be sprayed and wiped onto the exposed surface of the floor.
Dip a clean toothbrush into the bleach and swirl it around.
Do a second round after several hours and let the area rest until the next day.
Scrub the bleach into the stain with a toothbrush.
Use this solution to scrub at the stains.
In order to create the solution you have to make a mixture of one part bleach and four parts water.
You can dilute the peroxide with water at first working up to a stronger solution if needed.
Make your own hardwood floor cleaning solution by mixing a cup of white vinegar into a bucket of warm water.
Adding grapefruit oil to the mix can help with the odor even more.
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.