Clean your marble tabletop with warm water as needed.
Cleaning old marble table top.
How to clean an antique marble tabletop.
Removing spots and stains.
Dry it with a clean cloth.
Use a commercial marble care product formulated to seal the porous surface of the stone after cleaning your tabletop to.
Rinse the table thoroughly.
Use a dust mop to remove dust dirt and debris from the tabletop.
Purchase 12 percent hydrogen peroxide often used for hair lightening in beauty supply stores.
Make a mixture out of hydrogen peroxide and a few drops of ammonia.
Apply the flour poultice to the area with plastic spatula or spoon.
Scrub at rough spots with a plastic scrub brush.
Cover with plastic wrap and press firmly.
Mix hydrogen peroxide and flour to make a paste.
The michigan state university extension notes you can clean soiled marble with warm water mixed with dishwashing.
Wash the tabletop with dish soap hot water and a dish cloth.
Spread the paste over the entire table and cover.
For dark colored stone use acetone or for light.