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Unread 01-16-2006, 10:39 PM   #1
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Join Date: Jan 2006
Posts: 1
Tile turned milky, grout turned white

A contractor just installed ceramic tile on our bathroom floor. The tile has a stone-like, non-shiny surface (looks like slate). The grout was a darkish color. The contractor told us we should seal the tile and grout after 24 hours, which we did using Aqua Mix Penetrating Sealer, applied with a paint brush. We applied two coats (let it dry in between) and did not know we were supposed to wipe it clean. After it dried, the tiles had a milky or hazy discoloration, especially in lower areas of the uneven surface (where i guess the sealer pooled). The grout also changed color completely--from dark mocha to light gray. Is there any way we can undo the harm we have done? We have a Phosphoric Acid Cleaner (also by Aqua Mix) which says it will remove cured grout haze from tile surfaces. Is this what we need? Or do we need to strip off the sealer and, if so, how and with what product?

Thanks so much, pros.

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Unread 01-16-2006, 11:09 PM   #2
Chris the Rep
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Join Date: Aug 2004
Posts: 705
You probably have sodium residue from one of the components in the sealer. Usually some Soft Scrub will take it right off. Always try a small out of the way spot first.

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Unread 01-17-2006, 05:42 AM   #3
Florida Tile & Stone Man
Join Date: Apr 2004
Location: Naples Fl.
Posts: 22,690
I, honestly don't think that will fix the joints, though,you may have to go to the TYW store above and try the heavy duty coating stripper..or whatever Aquamix recommends on the back of the bottle.Also, you put the sealer on way too thick if you used a paint brush..you should just have a light coating, and if it sucks down and dries up, you reapply it a few times till it stops disappearing, then wipe it off.

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