These stains are soaked into the wood and need some special tricks to get them out.
How to get dark rings of wood floors.
Luckily there are a few ways to successfully clean dark stains.
Black rings or dark water marks can be more problematic as these are generally water stains that have penetrated into the finish of the floor.
Toothpaste often will do the trick though.
Leaving dust and grit on the floor will only make more of a problem as you apply the cleaning solutions.
This type of stain requires more work to remove it but it is not impossible.
Hardwood floors are an expensive investment that you should always protect.
How to lighten a dark ring on a wood table.
Wood floors and furniture look great but they re unfortunately vulnerable to all types of stains.
Dark black stains in wood furniture especially on tabletops is typically caused by water.
Black water stains on wood are an indication that the stain has penetrated through the protective clear coat.
Dip a small brush such as a toothbrush into a small amount of bleach and rub onto the stain.
Unfortunately an iron can t cure this problem.
To remove dark water stains from wood floors you have two options.
The result is typically a dark brown or black ring.
Some stains can nearly be impossible to remove when they take time or happen repetitively.
Removing dark marks from hardwood floor can be such a challenge.
While removing water stains is one thing getting rid of dark black stains is a little harder.
Get rid of dust.
The stain itself could be described as a kind of rust stain and the best way i have found to remove these stains is with oxalic acid.
Unsightly dark rings on a wood table are caused by water from drinking glasses vases and other water containers left on the table for a long time.
A dark water stain is harder to remove.
Black stains are often caused by condensation from drinking glasses set on wood tables or from pet urine on hardwood floors.
How to remove white rings from wood floors.