Instead call a professional to repair the damage or clean the stains.
Cleaning marble with red clay stains.
Since they are below the surface no marble cleaning product will touch them.
This is a very searched situation and it is how to clean brick with acid.
Pure acetone is recommended for removing oil stains from granite as well as for cleaning marble.
Ink stains as with organic stains you can use a poultice made with 6 percent hydrogen peroxide to remove any ink stains.
After cleaning with water only we were not happy with the results the clay.
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Stains are substances that have absorbed into the marble floor below the surface.
Cover the area with plastic wrap to hold the moisture in.
Make an acetone poultice with talcum powder baking soda or any other absorbent powder such as cornstarch or flour.
Gently rub the baking soda into the marble with a soft damp cloth.
You do not want to scrub because that can damage the surface.
If you spilled anything oil based like a vinaigrette.
Make a paste with either diluted ammonia or white vinegar and an absorbent powder such as salt or baking soda cover the stain with a thick layer of the paste.
You should use only products made specifically for cleaning marble.
Immediately wipe a marble coaster with a damp cloth if it comes in.
The best way to address mold stains is to use a product that is specifically designed for removing mold and mildew stains on marble such as this one.
For most organic food stains the marble institute recommends cleaning with a solution of 12 hydrogen peroxide and a few drops of ammonia.
Marble sealers are impregnator sealers that are made up of a liquid based solvent typically water based and a solid resin.
Then rinse with water and dry with a soft towel.
Cleaning red clay from concrete is an easy process when using the correct tools.
Marble sealer is a surface treatment applied to the marble to clog the pours of the marble surface and prevent foreign substances from penetrating the surface thus preventing stains.
Sprinkle a little baking soda onto the surface of the marble.