Marble stains very quickly especially if a liquid is allowed to sit untouched for a period of time.
Marble stains cleaner.
How to clean cultured marble.
For most organic food stains the marble institute recommends cleaning with a solution of 12 hydrogen peroxide and a few drops of ammonia.
If you spilled anything oil based like a vinaigrette.
You can create a marble poultice using 6 hydrogen peroxide and a few drops of ammonia.
Dry the surface around the water stain then rub in a circular pattern over the stain until the stain buffs out of the marble.
You can either use regular marble cleaner or try removing the stain using grade 0000 steel wool.
In most cases this should be sufficient to remove the water stains however if this does not work then we recommended trying a marble cleaner specifically designed to remove hard water stains and soap scum.
Cultured marble is different from natural marble in that it has a resin finish that is non porous and more resistant to stains.
Follow the above directions for removing rust stains from marble to effectively remove organic stains.
1 x research source clean up orange juice wine and coffee as soon as they are spilled.