Fill a clean spray bottle with plain water and spray a light coating of water over the marble.
Wet sand marble countertop.
Wet the surface of the marble with a spray bottle.
Another traditional method to restore the gleam of marble countertops is to polish them with baking soda.
Mix three tablespoons of soda with one quart of water and apply it on the surface then let air dry for several hours.
In addition polishing grit or marble dust will fill.
Wrap it around a block of wood or sanding sponge.
Allow the sealer to sit on the surface of the marble for up to five minutes.
After washing it with warm water wipe crushed chalk on the countertop rinse again and dry with a chamois cloth.
By wetting the marble before you sand you ll give the dust something to stick to so it will form a paste rather than flying into the air where you could inhale it.
Wet the surface of the sandpaper and marble.
Spray a penetrating stone sealer on the marble countertops until the surface is wet.
For anything else start with 600.
Start with the coarsest grit sandpaper you have.
Note use 220 when trying to smooth out irregularities.
Before you sand or grind a marble surface fill in any small cracks.
If the cultured marble surface still isn t smooth and shiny try wet sanding with 1 000 grit wet dry sandpaper also available at auto supply stores followed by buffing with rubbing and polishing compounds to remove any scratches from the sandpaper.