Only use bleach on light colored marble and do not.
Bleach on marble floor.
Marble is a porous material just like any other stone.
Use a ph neutral soap diluted in hot water to mop the floors.
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.
Be sure to spray the marble mold remover or bleach solution in a small inconspicuous area on the marble surface prior to treating the mold.
Calcium carbonate the primary compound in marble can be highly reactive to both acidic and alkaline cleaners.
The reaction happens in seconds and corrodes or eats away the marble essentially destroying the polished layer on the surface.
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.
If your whole floor is etched or if the etched areas are rough then you may need to hire a marble maintenance professional to re surface your floor.
A lot of times the mold is still there and is a living organism.
Before you apply the diluted bleach it is important to thoroughly wet the area with clean water.
Almost every guide for the care and maintenance of marble warns that you should not use bleach vinegar or other harsh cleaners.
The use of bleach is the another great method of removing mold stains from marble.
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.
But for small dull spots rings spills and or if a small area of bleach etching 6x6 feet or less you can do it yourself.
When marble is damaged by an acid it is called etching.
When cleaning marble be sure to stay away from harsh chemicals like bleach ammonia hydrogen peroxide and vinegar.
If your marble is a dark surface bleach may not be your best option.
Marble is made of calcium carbonate which reacts with acidic and alkaline substances like bleach.
We see mold the most in grout or in corners of marble showers.
After 5 10 minutes check and ensure that the bleach does not have a negative effect on your marble.
The bleach has etched the marble causing the dull light spots on your table top.
Your tiles may end up etched pitted or discolored.