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.
Bleach damage marble.
You can remove mold with a diluted bleach or peroxide solution but it s best.
The damage from bleach stems from an entirely different characteristic.
Most commercial bathroom cleaners are too harsh to use on marble and they can etch or otherwise damage the surface.
When marble is damaged.
This is because these cleaners contain acidic materials or chlorine both of which can permanently damage your marble countertops or marble floors.
Unfortunately most common and popular household cleaners like bleach vinegar ammonia citrus cleaners and hydrogen peroxide are too harsh for use on marble and will cause damage to the finish.
Etching is corrosion that eats away at the marble which will cause dull and light colored or clear spots.
Before you apply the diluted bleach it is important to thoroughly wet the area with clean water.
Bleach is alkaline so it doesn t pose the big risk of acidic cleaners which dissolve sensitive stone including marble.