Why would you mess with burning it off? it would never get hot enough in normal use to vaporize the zinc, and besides the carcinogens in the smoked meat will kill you way before the zinc would.
"When I was in Canada, I had a lot of time to think."- Doug Sahm
[B][COLOR=red]UDS x 5[/COLOR][/B]
[COLOR=blue][B][I]CSBBQA, KCBS, NOBS(Northern Ontario Barbecue Society)Professional Barbecue Team. USAJFKCENMA.[/I][/B][/COLOR]