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I think chocdoc nailed it. You need to burn off the VOCs before starting your cook. Aprox 45 to 60 min with fresh lump.
They also say a 20# bag of lump will last for months....do your research and then make a desicion...buying an egg is the single most life changing purchase anyone can make..but only you can decide....and it is NOT ready to cook on in 10 minutes..