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Re: Diesel flavoured bricks
From the WFO board
Posted by Rado
In Reply to: Diesel flavoured bricks posted by Simon
This is matter I would test. Normally residues on oven walls burn completely off and turn to carbon (I am not saying that the grease dropped on floor from roasting whole lamb is same as diesel.) Then carbon burns off when the oven reaches pizza temperature and turn white, the bricks stay clean white. Generally it's of course best to avoid using firebricks that were used in a kiln burning chemicals. Just the same as no one should use firewood with pain on for cooking, although for e.g. if there was non lead based paint on firebricks it will burn off and disappears after few firings. Once it burns off as carbon there can be smell remaining.
You can test it easily, burn one of those bricks well for 2 hours in camp fire in red hot embers, leave it to cool down slowly and then look at it. If you do more could you please drop a line with results as per elaborating more on this issue for others to think about, it's interesting ... ***sometimes bricks can be obtained by other ways than buying new and they could just be fine. r
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