Marble Shower Tilex Bleach Marks

by erica kaiser
(buffalo, ny)


We have gray and white marble lining our shower and tilex with bleach was accidentally spayed on a large portion of it leaving darkened gray drip marks. Any suggestions? Thank you!


Bleach as you've found out is damaging to marble. It will corrode and etch the marble leaving dull and usually lighter colored spots. Meaning a lighter shade of the color of the marble.

You state that the drip marks are "darkened" which indicates a stain, which is different than etching. A stain occurs when something is absorbed into the marble.

Marble actually does not stain easy despite what you read (it etches easy... people get these confused). So, it is unlikely that the bleach stained the marble especially on a wall unless somehow it was able to remain on the wall without evaporating for an hour at least.

You'll have to figure out which you have... etch marks or stains, but you could have both.

To remove etch marks use the Marble Polish / Etch Remover that is made specifically for this issue. It's easy to use and works very well to restore the color and shine. For use only on polished (shiny) marble though.

I'd say you definitely have etching. The question remains whether or not you also have stains, which can occur in the same spot.

Etching destroys the thin polished layer, which makes the marble more absorbent and more likely to stain.

If you also have stains, then you'll need to get those out first following the instructions in the Removing Granite & Marble Stains ebook.

Once the stains are removed, use the Polish/Etch Remover and you'll be good as new.

Of course, from now on be sure to use only products safe for cleaning marble.

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