If the hydrogen peroxide was unable to remove the staining diluted bleach may be the only product able to do so.
Bleach on marble stains.
I started to scrub.
Although the surface is disinfected and safe it may remain unsightly.
Water stains are yet another common stain that occurs on marble.
There also are light grayish stains around the drains.
Mold stains can be difficult to remove.
The above table details what you will need to remove each type of stain.
See our article of etch removal.
Only use bleach on light colored marble and do not.
Think about what objects are typically used near the area of the stain.
I have some light hard water and rust stains on my cultured marble one piece bathroom vanity tops with sinks.
See paint stain section below.
First i tried a mild solution of dishwashing soap and water.
Even once the mold spores are dead the black staining may remain.
The yellow stain didn t fade a bit.
Getting out pesky stains.
These stains can be the result of a water glass that was left on a marble countertop for too long or from hard water buildup around sinks and showers.
For example coffee stains will show up on a marble kitchen countertop near the coffee marker.
Marble is made of calcium carbonate which reacts with acidic and alkaline substances like bleach.
The bleach has etched the marble causing the dull light spots on your table top.
The reaction happens in seconds and corrodes or eats away the marble essentially destroying the polished layer on the surface.
Or rust stains will show up near metal decorations and a water source.
Bleaching stains removes most discoloration from unsealed marble.
For most organic food stains the marble institute.
Calcium carbonate the primary compound in marble can be highly reactive to both acidic and alkaline cleaners.
Mold can stain marble bathroom countertops floors etc.
Razor blade and paint striper.
See mold stains section below.
Marble is a porous material just like any other stone.
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.
Removing mold stains from marble.
Marble stain identification tips.
Mold is a common problem in many bathroom settings.
Other than the stains the cultured marble is in very good condition and the original gel coat still is relatively shiny.
I don t recommend this unless like.
If you don t catch a spill quickly hello red wine spilled at a lasts until 2am dinner party there s hope.
Your tiles may end up etched pitted or discolored.