If the cold water exposure is lengthy enough to lower the stone s temperature the stone can get damaged.
Clean gravestones marble.
Mix 1 cup of baking soda 5 tablespoons 73 9 ml of liquid dish soap and enough.
Soak the gravestone with clear water and use a plastic spoon or wooden popsicle stick to remove the lichen from the crevices of the gravestone.
Avoid products that contain the chemicals sodium.
Water wooden scraper soft cloths non ionic soap ex.
Consider an area in the southwest with dry hot temperatures.
Apply the poultice to the stain.
Never use wire brushes or power tools such as sanders or grinders to clean the surface.
Supplies needed for cleaning headstones clean water soft bristle brush ammonium hydroxide detergent or household ammonia mixed 1 oz per gallon of water gloves sponge spray bottle.
Never use household bleach or bleach containing products.
Never employ harsh aggressive scrubbing methods when cleaning and overcleaning should be avoided.
Mix one cup of ammonia with one gallon of water if marks are still visible.
When you arrive at the gravestone take a few minutes to assess the stone.
Sometimes you will discover.
Wash and buff the granite.
Cleaning gravestones with bleach is never a good idea church said but it s especially bad when you re working on porous stone.
Coat the stains on the granite headstone with the poultice.
Pour half of the mixture over the stains and use a soft bristled brush to clean the stains away.
Ivory or orvus natural bristled brushes.
Water based stains step 1.
Look for any obvious.
Bleach is alkaline so it doesn t pose the big risk of acidic.
Make a baking soda poultice.
Once you have checked out the stone you are ready to start actually cleaning.