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