Cleaning gravestones with bleach is never a good idea church said but it s especially bad when you re working on porous stone.
Clean gravestones marble.
Sometimes you will discover.
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.
When you arrive at the gravestone take a few minutes to assess the stone.
Avoid products that contain the chemicals sodium.
If a cemetery waters their grounds with cold water it could fall on the headstones.
Clean a granite headstone.
Consider an area in the southwest with dry hot temperatures.
Coat the stains on the granite headstone with the poultice.
Wash and buff the granite.
Apply the poultice to the stain.
Make a baking soda poultice.
Water wooden scraper soft cloths non ionic soap ex.
Cleaning the gravestone 1.
Look for any obvious.
If the cold water exposure is lengthy enough to lower the stone s temperature the stone can get damaged.
Never use wire brushes or power tools such as sanders or grinders to clean the surface.
Water based stains step 1.
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.
Never use household bleach or bleach containing products.
Ivory or orvus natural bristled brushes.
Bleach is alkaline so it doesn t pose the big risk of acidic.
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.