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