I googled and it seems to be safe to get on the marble but just to be sure i d probably be careful about it anyway.
Bleach on marble shower.
The use of bleach is the another great method of removing mold stains from marble.
Marble is a porous rock that tends to absorb chemicals and dyes that are found in traditional cleaners.
Very stubborn mold colonies the kind that can sometimes form in natural stone shower stalls or tub surrounds will likely require granite gold grout cleaner.
For stubborn hard water stains you can use vinegar for cleaning the marble surface.
I would also try to be careful not to get it on the marble.
Calcium carbonate the primary compound in marble can be highly reactive to both acidic and alkaline cleaners.
I had a shower guy come in and steam out the grout lines and touch up the color and reseal it but the bench in the shower has black dots in it which no amount of steaming or sanding fully helped.
Open a window or turn on the exhaust fan to reduce humidity in the shower.
A marble shower is an elegant and chic addition to anyone s bathroom.
To keep mold from reappearing make sure you dry your shower thoroughly after every use.
Regular cleaning is the best way to keep your cultured marble free from stains soap scum and dirt.
Clean your marble shower weekly or more often with a ph balanced.
For this reason many different things can end up ruining your shower s sleek finish.
Don t try to work the soap into the stone.
You re just cleaning the surface here.
A lot of times the mold is still there and is a living organism.
Your tiles may end up etched pitted or discolored.
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.
We see mold the most in grout or in corners of marble showers.
However common marble shower stains happen because of shampoos soap scum and even rust.
If possible excess water from the shower base and surrounding areas should be squeezed out after each shower to prevent water stains.
Unfortunately there are also drawbacks with marble especially when you have to clean it.
Using vertical or horizontal strokes gently rub the solution onto the shower walls paying extra attention to areas with mildew or soap scum.
The shower is a tan cream beige stone marble and the floor is a gray slate.
Carrara marble contains metallic particles inside the stone and over time water from the shower will penetrate the marble surface and rust the metallic components of the stone.
Dry the marble after each use to prevent mold growth.
Rust stains are common when you have white carrara marble in your shower.