Bleach Stain On Marble Countertop

Your go to homemade cleaners aren t always acceptable when marble counter cleaning either.

Bleach stain on marble countertop.

Thank you for any help you can provide. Marble contains calcium carbonate which causes an adverse reaction when exposed to acids. A bleach stain on a black granite countertop is unsightly and has more than likely removed the top protective coating over the natural stone. When it s on a table or countertop daily exposure to ordinary household living may cause it to develop stains.

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. 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. Many store bought cleaners such as lysol windex and even bleach contain acids that initiate corrosion and leave stains and etching. Bleach and bleach based cleaners have a high ph and can be very alkaline which isn t safe for cleaning marble.

Mold can stain marble bathroom countertops floors etc. Marble is made of calcium carbonate which reacts with acidic and alkaline substances like bleach. On white marble the staining. The bleach has etched the marble causing the dull light spots on your table top.

The area was a dull black as opposed to the rest of the countertop. Water stains are yet another common stain that occurs on marble. Mold is a common problem in many bathroom settings.