If a cemetery waters their grounds with cold water it could fall on the headstones.
Clean gravestones marble.
Never use household bleach or bleach containing products.
Wash and buff the granite.
Water wooden scraper soft cloths non ionic soap ex.
Bleach is alkaline so it doesn t pose the big risk of acidic.
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.
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.
Sometimes you will discover.
When you arrive at the gravestone take a few minutes to assess the stone.
Consider an area in the southwest with dry hot temperatures.
Cleaning the gravestone 1.
Never use wire brushes or power tools such as sanders or grinders to clean the surface.
Mix 1 cup of baking soda 5 tablespoons 73 9 ml of liquid dish soap and enough.
Make a baking soda poultice.
Once you have checked out the stone you are ready to start actually cleaning.
Pour half of the mixture over the stains and use a soft bristled brush to clean the stains away.
Clean a granite headstone.
Ivory or orvus natural bristled brushes.
Coat the stains on the granite headstone with the poultice.
Avoid products that contain the chemicals sodium.
Mix one cup of ammonia with one gallon of water if marks are still visible.
Cleaning gravestones with bleach is never a good idea church said but it s especially bad when you re working on porous stone.
Never employ harsh aggressive scrubbing methods when cleaning and overcleaning should be avoided.
Look for any obvious.