Before you apply the diluted bleach it is important to thoroughly wet the area with clean water.
Bleach on marble.
I escalated from diluted simple green to undiluted simple green to a vinegar water solution to a diluted bleach situation to pure uncut bleach on a toothbrush.
In our experience bleach is not quite as effective.
We see mold the most in grout or in corners of marble showers.
I don t recommend this unless like.
How to make a poultice.
The use of bleach is the another great method of removing mold stains from marble.
Marble is a porous material just like any other stone.
Bleaching stains removes most discoloration from unsealed marble.
Because of its porous nature stains and dirt seep into the marble and are difficult to remove by traditional cleaning methods.
A lot of times the mold is still there and is a living organism.
Depending on what the specific stain is the solvent can be 6 percent hydrogen peroxide mineral spirits etc.
Combine the required solvent with water or baking soda.
Only use bleach on light colored marble and do not.
First i tried a mild solution of dishwashing soap and water.
Etching is corrosion that eats away at the marble which will cause dull and light colored or clear spots.
Calcium carbonate the primary compound in marble can be highly reactive to both acidic and alkaline cleaners.
The bleach works great because it kills the mold and also helps to remove the mold stain that is left behind once the mold is gone.
Combine the ingredients until the poultice is the consistency of peanut butter.
Add 2 quarts of bleach to one gallon of water and follow the steps just as if you had the marble mildew remover product.
Almost every guide for the care and maintenance of marble warns that you should not use bleach vinegar or other harsh cleaners.
Bleach can be used sparingly in certain situations in a very very dilute solution but more often than not people get the mix wrong and etch their marble.
The reaction happens in seconds and corrodes or eats away the marble essentially destroying the polished layer on the surface.
I started to scrub.
However oftentimes homemade marble cleaner can be made with items from around the house.
The bleach has etched the marble causing the dull light spots on your table top.
Your tiles may end up etched pitted or discolored.
In general we recommend against using any of our tilex bathroom cleaners both with and without bleach on marble so i wouldn t advise bleach usage here.
On light colored marble you can dilute one quart of bleach with one gallon of hot water or for a small area a size appropriate 4 1 mixture to remove the stain.
The yellow stain didn t fade a bit.