Use a commercial marble care product formulated to seal the porous surface of the stone after cleaning your tabletop to.
Cleaning old marble table top.
Wash the tabletop with dish soap hot water and a dish cloth.
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.
For dark colored stone use acetone or for light.
How to clean a marble top table method 1 of 3.
Make a mixture out of hydrogen peroxide and a few drops of ammonia.
Use a dust mop to remove dust dirt and debris from the tabletop.
Cover with plastic wrap and press firmly.
Place between 1 4 cup and 1 2 cup of flour in a shallow bowl.
Scrub at rough spots with a plastic scrub brush.
Removing spots and stains.
Dry it with a clean cloth.
How to clean an antique marble tabletop.
Rinse the table thoroughly.
Spread the paste over the entire table and cover.
Purchase 12 percent hydrogen peroxide often used for hair lightening in beauty supply stores.