<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by ETD:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content"> DO NOT USE CHARCOAL BRIQUETTES (used for the B-B-Q). This can be more harmful that whatever was swallowed to begin with and some of the ingredients can mix with some poisons and make matters worse since there is nothing "pure" about it.
</div></BLOCKQUOTE>
You got a point there. On the other hand, burnt toast as a source for charcoal? That's alot of bread you gotta toast

Take a look at the ingredients for briquettes (
http://new.cbbqa.com/wood/Kingsford.html)...hmmm...not bad except maybe the Borax

</div></BLOCKQUOTE>That's what the article said. It also said that the impurities in a charcoal brick were not worth the risk to use it, even to attempt to make a simple water filter.