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Blue Pearl granite countertop has white crystalization marks

Hi Maurizio, We had Blue Pearl granite counter tops installed in our kitchen exactly 1 year ago. Recently, I wiped them down with antiseptic wipes and the next day I noticed what appear to be white crystalizations close to the surface of the granite in a couple of areas (the biggest about the size of a dinner plate). The size of each crystalization varies from the size of a pin head to the size of a small fingernail. These marks severely diminish the deep glossy look of the Blue Pearl granite. I spoke to one guy who suggested rubbing white vinegar into the marks with an old toothbrush. When I tried this, after a few minutes the vinegar appeared to be absorbed into the stone surface and the white crystalizations did get much darker and virtually disappeared. However, once the vinegar had dried up, the white crytalizations reappeared much as they were before. Please advise how I can: 1. remove the marks, and 2. prevent more marks from appearing. Thanks in advance, Jim
 

Dear Jim:

Let's see: you first permanently damage your stone with the wrong cleaning product, and then you just listen to “one guy” and, no matter what he tells you to do, you just do it!... J

Let's put it this ways: while it should have been intuitive that the “vinegar treatment” didn't stand a chance to do the first thing, consider yourself darn lucky that it did not do even more damage!

I have no idea exactly as to what could have happened, but I do know that damages like that are usually permanent and irreversible. However, if the wetness of the vinegar hid the damages from sight (until it was wet), you should be able to get the same result in a permanent way by using a good-quality stone color-enhancer like MB-6.

After that, as far as routine maintenance goes, by logging into the Helpful Hints section of our website at:   http://www.mbstone.com/HH_promo/helpful_hints.htm , you will be able to get the short version of our maintenance guidelines at no charge. The full version of it – a 7-page document considered by many as an industry benchmark – is available in pay-per-download format in our Educational Literature section at:   http://www.mbstone.com/literature/literature.htm .  

And remember, every single penny of the cost of the literature will be used to support this site and its cause: your cause.

While you are in the “Helpful Hints” section, do spend some time reading all of the interesting FREE articles you'll find in there!

Finally, keep in mind that we need your support to help us helping you!

Will you please read and e-sign our Statement of Purpose at: http://www.marblecleaning.org/purpose.htm?    

By spreading the word about this valuable site among your friend & family and the stone trades' people you've been dealing with, you will be rendering everybody a valuable service!

Thank you  

Ciao and good luck,

Mauri zio Bertoli

 

www.marblecleaning.org – The only Consumers' Portal to the Stone Industry Establishment!    

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