If these are present it may be best to leave it as is.
White marble gravestone cleaner.
Once the headstone is clean buff the marble dry with a dry and clean cloth.
Only marble that is in good condition should be cleaned.
Marble needs to be treated even more gently than granite.
Steps to clean a marble headstone.
Soak the stone with water to saturate any growth that may be present.
Different types will require different cleaning methods.
But it hasn t.
Wetting the marble first will provide better cleaner spread on the surface and make rinsing easier.
A more widely available product wet forget moss mold mildew and algae stain remover 29 98 a gallon at home depot is advertised as being suitable for cleaning headstones.
Pre wet the stone with clean water.
As with interior marble cleaning soak the cemetery headstone with water before adding a cleaner.
Cleaning a white marble gravestone requires care and some special tools but it is a relatively easy task that can be accomplished in one afternoon.
Inspect the entire headstone for cracks wear and signs of damage.
If there is growth remove using a wooden scraper.
An undiluted cleaning agent may leave a residue in the marble s pores.
Make and apply a poultice if steps 1 to 3 fail to remove the mold and mildew stains on the marble headstone make a poultice with cotton balls hydrogen peroxide and ammonia.
Remove as much of the lichen and moss with your hands as possible.