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Discussion Starter · #1 ·
I've been given a slab of polished marble (60 x60 cm, 1 cm thick) for tempering chocolate on. Do I need to do anything to it before I use it? Is there any kind of treatment I need to do? It came straight from a quarry, not a cooking shop, so I just want to check that it is good to go. 
 

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If the marble slab came straight from the quarry then YES it does need to be sealed before use. Although natural stone can be somewhat resistant to staining it also is susceptible to absorption so an impregnating sealer is needed.

I would take the time to ask the people you got the marble from if, when they polished the marble, they had sealed it?? Sometimes they do if they took the time to polish it. /img/vbsmilies/smilies/smile.gif
 

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Granite cleaner from home depot
 

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Discussion Starter · #6 ·
Thanks, everyone!  It must have been sealed, as it came from a stack that was on its way to being put on office building walls. The guys at the quarry and I don't share a language (much), but I'll see what I can find out when I bring them thank-you cookies.  
 

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When a stone surface is installed, its normally sealed after, not before. And I do think that would be the case here because what you have are large tiles, not necessarily a slab (a slab is 7/8 inch thick, not 1cm). Once the tiles are installed on the walls of the office, they get grouted, and after grouting, the entire surface (grout and marble) will get sealed. Regardless, congrats on your marble, it really opens up what you can do with chocolate and sugar. The downside to marble is that it will wear really fast. Its sensitive to any cleaners that are even slightly acidic, and unfortunately, in time, that nice polish will get beat up, marble scratches really easily. If you continue to get into chocolate, down the line you may want to get a piece of a granite slab. If there are any fabricators near you, you should be able to easily get a large piece that was cut out for a sink. Granite, unlike marble, doesnt scratch very easily, so it will keep that nice polish and remain easy to clean. Anywho, thats just my two cents, I wanted to chime in, I did stone polishing and restoration for 8 years, I've had a chance to see alot of different surfaces.
 
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