Bathrooms Marble Shower

Published on October 19th, 2017 | by Henri


Correction: Removing stain from marble shower

Correction: I recently answered a question asking how to remove a blue stain caused by a leaky shampoo bottle on a marble shower over a 9-month period. My usual expert contact on marble-related matters was on vacation and I got the information I printed from another source.

Unfortunately, part of my answer was somewhat misleading, as was pointed out by a sharp reader. Thank you.

Bleach can be used to remove an oil-based stain on marble, but I should have cautioned that it should not be left on more than 10 minutes, as it could etch the marble. My expert contact also said that some shampoos have a citric acid base, and if the shampoo used is one of those, the marble has already been etched, which will require professional help to re-polish.

A sealer should also be applied once the polishing has been done. Sealing marble should be done periodically, but was probably not done as recommended, which aggravated the stain.

The best method to use to try to remove the stain is to make a slurry with borax and regular  hydrogen peroxide. Apply it to the stain and leave it on for an hour or so before wiping it off. If that does not do it, make a poultice with the same ingredients, apply it over the stain and cover it with a plastic film. Leave the poultice overnight.

There are commercial oil-stain cleaners on the market, such as Stone Teck  Revitalizer Cleaner & Protector;

Once the stain has been successfully removed, even though the Revitalizer offers some protection, you may want to consider applying Stone Teck BulletProof Sealer, one of the best, if not the best, on the market.

However, be aware that a deep stain may never be completely removed.

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