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