Try hydrogen peroxide or household bleach then.
Get stain out of wood floor.
The process is the same for any wood floor soak a cotton rag with hydrogen peroxide place the wet rag on the stain and allow it to soak in the wood to bleach out the stain remove the rag and wipe up any excess hydrogen peroxide allow the floor to dry.
You need to remove the finish to bleach these black stains out of the wood and the best way to do that is to sand the affected area by hand with 120 grit.
The color indicates whether the stain is located in the floor s finish or the waxy surface layer.
It is simple to deal with any stain immediately before it penetrates the surface finish and dries in the wood.
Black stains are water stains that have penetrated deeper into the wood.
Pet mess urine vomit and poop water spots ink blood stains and food spillage are the leading causes of stains on floor.
If the bleach doesn t remove it the stain may be from something else like food or wine.
There is a way to remove urine stains on hardwood floors that works well for most stains and you won t have to refinish the floor.
Use a chemical cleaner to effectively remove stain and bad odor away from the urinated floor.
A black stain on the other hand is a greater problem and will be more tiring to remove.
If you have children or pets there s a good chance your hardwood floor is going to see its share of juice spills marker streaks and pet accidents.
Immediately wipe the puddle or the wet spot.
They are much harder to get rid of.
They are usually the result of standing water and are most likely to occur when the finish has worn thin.
Oxalic acid applied to the stain will often remove it but it also ruins your floor s finish and you have to re stain and refinish the area to match the rest of your floor.
Don t refinish the whole piece unless you have to.
How to get stains out of hardwood floors.
White stains for example indicate a type of water stain that can be easy to remove.
If the stain is white you are in luck because that means it is only either in the finish or the waxy surface layer of the floor.
Its appearance is important to help you figure out how to best address the wood floor stain.
It can take you time figuring out how to remove black stains from hardwood floors.
To remove wood floor stains first determine what the ring looks like.
Soak up the wetness and moisture with enough pressure and if necessary use as many cloths or rags to suck of the liquid from the floor effectively.
First try to remove the stain using standard hydrogen peroxide available at drug stores.
The most troublesome hardwood floor stains are those that affect the wood itself.