Also the yellow brown stain will return until you stop the source of water.
Removing rust stain from carrara marble.
But again rust stains are difficult and you ll need to repeat the process several times.
It is then covered in plastic wrap and left to sit for 24 to 48 hours before removing.
To make the poultice view the poultice section below.
A second option is this rust stain remover poultice is a eady to use product.
Rust stains rust stains can usually be removed with a poultice or a non acidic rust remover.
And it should draw out the stain.
In situations where the carrara marble is constantly exposed to water the water can absorb and oxidize the iron so it rusts.
It is a paste that is typically the consistency of peanut butter that is applied to the stained area.
Only apply the paste on the stain not on the surrounding areas.
The most effective solvent for rust stains are a liquid commercial rust remover.
Be sure to buy a rust remover that is non acidic this is critical because an acidic rust remover will make the problem worse.
Steps for removing rust from marble a poultice is a homemade stain remover that is often used to treat most types of stains.
As the water evaporates it moves to the surface carrying the rust with it creating a rust stain.
The sooner you treat the marble the easier and quicker it will be to remove the stain.
Rust stains are yellow brown stains.
A poultice is a paste that chemically acts on the stain and then draws out the staining substance.
Spread a inch thick layer of the paste over the stain.
Remove metal object s and dry the stone remove the metal object from the stone as soon as you notice the stain and dry the area immediately.
If you don t have iron out another acid free multi purpose rust stain remover that comes in a powder form can work.
Making a poultice is easy but the type of stain you have determines the ingredients of your poultice.
To begin with solutions of cysteine in combination with sodium dithionite and ammonium carbonate were tested by immersion of samples into the different solutions.
But because you re dealing with a light marble and a lot of these are skin lightening products as well you re not going to have you should not i should say have a discoloration.
Of course if it s a rust stain and it s been there a while it could just be permanent.
To remove marble rust stains follow the procedures in the removing granite marble stains ebook.
Cover the paste with plastic wrap.
You ll have to make and apply a poultice probably several times to remove a marble rust stain.
Mold and mildew stains.
However in some cases rust stains can be removed with a marble poultice.
If you try these methods and still do not have success contact a professional to assess the problem.
Unfortunately rust stains are the most difficult of stains to remove from marble.