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