Home » Categories » Natural Stone Q & A’s

Cleaning Black Honed Granite

Dear Maurizio
 
I have balack honed granite kitchen tops, I recently took advise on cleeaning staind by mixing dishwasingh liquid and flour  to clean stains, I did a sample and  I have left over night , but it now looks like a dull stain, grey rather than black, nothign will remove this, do I need to do the whole of the work top to even it out
 
Please advise
 
Tahks you bernadette
 

Dear Bernadette:

I don't quite understand all the details of this matter (how did the original “stain” you tried to remove look like?), but my guess is that a color enhancer was originally applied to your countertop (which is the right thing to do), and that is the factor (the color enhancer) that's got damaged. (A stain, a true stain, is always darker than the stained material – never lighter. If it is lighter it's either a mark of corrosion created by an acid, or a caustic mark created by an alkali. In other words, a lighter “stain” is a damage, not a stain. And you can't remove a damage with a poultice, can you?... There are no exceptions to this rule.)

That said I also must assume that the color enhancer that was originally applied is sensitive to acidic substances. I also bet that if you wet your “stain” it disappears… If that's the case, your best and only option is to apply some more color enhancer to the affected areas to blend-in with the rest.

Ciao and good luck,

Mauri z io Bertoli

Attachments Attachments
There are no attachments for this article.
Comments Comments
There are no comments for this article. Be the first to post a comment.
Related Articles RSS Feed
Honed Marble on a Kitchen Floor
Viewed 0 times since Fri, Aug 10, 2007
i ground down some lippage on limestone
Viewed 0 times since Fri, May 9, 2008
Travertine Waterline Tile Ruined
Viewed 0 times since Wed, Jun 13, 2007
Acid stains on granite
Viewed 0 times since Fri, May 29, 2009
about grout with marble tile squares
Viewed 0 times since Wed, Sep 26, 2007
plastic residue on marble
Viewed 0 times since Wed, Jul 18, 2007
Kitchen faucet installation on granite
Viewed 0 times since Sat, Jan 26, 2008
Products for my kitchen countertop
Viewed 0 times since Thu, Dec 6, 2007
Sealed Travertine Streaky with Dull Spots
Viewed 0 times since Sat, Oct 4, 2008
Jerusalem stone limestone tiles
Viewed 0 times since Sat, Feb 16, 2008