Bleach and bleach based cleaners have a high ph and can be very alkaline which isn t safe for cleaning marble.
Bleach stain on marble countertop.
Marble contains calcium carbonate which causes an adverse reaction when exposed to acids.
Many store bought cleaners such as lysol windex and even bleach contain acids that initiate corrosion and leave stains and etching.
Mold is a common problem in many bathroom settings.
Mold can stain marble bathroom countertops floors etc.
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.
The bleach has etched the marble causing the dull light spots on your table top.
Water stains are yet another common stain that occurs on marble.
Your go to homemade cleaners aren t always acceptable when marble counter cleaning either.
On white marble the staining.
Bleach can be used to clean granite but if the corrosive liquid is allowed to sit too long on the material it can eat through the protective layer of sealant.
The area was a dull black as opposed to the rest of the countertop.
A bleach stain on a black granite countertop is unsightly and has more than likely removed the top protective coating over the natural stone.
Marble is durable and has a distinctive classic look.
Thank you for any help you can provide.
When it s on a table or countertop daily exposure to ordinary household living may cause it to develop stains.