Ditto ---- one place I collected oil for my bio had used some chemical to clean the grill. Couldn't get that batch to work at all. Hadn't thought about that, but I guess the grill cleaner would slip under the radar if I wasn't testing it for bio. Thanks for the heads up.

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John Schroader
bio burnin' 83 300D, '83 300 SD, '79 240D
"I've never met a man who was good at making excuses who was good at anything else" Ben Franklin
"You cannot permanently help a man by doing for him what he could and should do for himself" Abraham Lincoln