In most cases the poultice.
How to remove rust from marble.
Be sure to buy a rust remover that is non acidic this is critical because an acidic rust remover will make the problem.
They are also safe to use on other types of natural stones like limestone including travertine sandstone onyx and slate.
Rust stains are the most challenging marble stains to remove.
Rust stains are common around faucets due to particles of iron in tap water.
Rust stains can be quickly and effectively removed from marble and limestone with the use of non acidic chemicals.
Rust stains are typically caused by a metallic object begin left on the surface and generally are copper to brown.
There are 2 products i use to remove rust stains from marble without damaging it.
It is a paste that is typically the consistency of peanut butter that is applied to the stained area.
Of course if it s a rust stain and it s been there a while it could just be permanent.
And it should draw out the stain.
However in some cases rust stains can be removed with a marble poultice.
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.
Rust stains are probably the most difficult of marble stains to remove.
The most effective solvent for rust stains are a liquid commercial rust remover.
A poultice is a homemade stain remover that is often used to treat most types of stains.
The chlorine in tap water can cause these stains to become even darker.
However you can use a commercial marble poultice at home to treat tough rust stains.
Removing rust stains from white marble.
It is then covered in plastic wrap and left to sit for 24 to 48 hours before removing.