Many store bought cleaners such as lysol windex and even bleach contain acids that initiate corrosion and leave stains and etching.
Bleach stain on marble countertop.
I also had a bleach stain on my black granite countertop.
Mold can stain marble bathroom countertops floors etc.
Marble contains calcium carbonate which causes an adverse reaction when exposed to acids.
Your go to homemade cleaners aren t always acceptable when marble counter cleaning either.
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.
Mold is a common problem in many bathroom settings.
The area was a dull black as opposed to the rest of the countertop.
When it s on a table or countertop daily exposure to ordinary household living may cause it to develop stains.
On white marble the staining.
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.
The bleach has etched the marble causing the dull light spots on your table top.
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.
Water stains are yet another common stain that occurs on marble.
Marble is made of calcium carbonate which reacts with acidic and alkaline substances like bleach.