Marble contains calcium carbonate which causes an adverse reaction when exposed to acids.
Bleach stain on marble countertop.
Mold is a common problem in many bathroom settings.
Mold can stain marble bathroom countertops floors etc.
The bleach has etched the marble causing the dull light spots on your table top.
So a lot of the things that work for removing stains out of marble will not work for cultured marble and may actually damage it or the outer gel coat.
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.
Many store bought cleaners such as lysol windex and even bleach contain acids that initiate corrosion and leave stains and etching.
A bleach stain on a black granite countertop is unsightly and has more than likely removed the top protective coating over the natural stone.
On white marble the staining.
Your go to homemade cleaners aren t always acceptable when marble counter cleaning either.
I also had a bleach stain on my black granite countertop.
When it s on a table or countertop daily exposure to ordinary household living may cause it to develop stains.
Marble is durable and has a distinctive classic look.
The area was a dull black as opposed to the rest of the countertop.
Thank you for any help you can provide.
Bleach and bleach based cleaners have a high ph and can be very alkaline which isn t safe for cleaning marble.