Etching is corrosion that eats away at the marble which will cause dull and light colored or clear spots.
Bleach on marble.
The bleach has etched the marble causing the dull light spots on your table top.
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 use of bleach is the another great method of removing mold stains from marble.
Combine the ingredients until the poultice is the consistency of peanut butter.
I don t recommend this unless like.
Before you apply the diluted bleach it is important to thoroughly wet the area with clean water.
First i tried a mild solution of dishwashing soap and water.
We see mold the most in grout or in corners of marble showers.
Because of its porous nature stains and dirt seep into the marble and are difficult to remove by traditional cleaning methods.
Combine the required solvent with water or baking soda.
The yellow stain didn t fade a bit.
Depending on what the specific stain is the solvent can be 6 percent hydrogen peroxide mineral spirits etc.
I started to scrub.
This is because these cleaners contain acidic materials or chlorine both of which can permanently damage your marble countertops or marble floors.
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.
A lot of times the mold is still there and is a living organism.
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.
Bleaching stains removes most discoloration from unsealed marble.
However oftentimes homemade marble cleaner can be made with items from around the house.
Marble is made of calcium carbonate which reacts with acidic and alkaline substances like bleach.
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.
Only use bleach on light colored marble and do not.
Your tiles may end up etched pitted or discolored.
So it s best just not to use it.
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.
The reaction happens in seconds and corrodes or eats away the marble essentially destroying the polished layer on the surface.
How to make a poultice.
Add 2 quarts of bleach to one gallon of water and follow the steps just as if you had the marble mildew remover product.