New bbq as to many openings to smoke and the old one is an eyesore so I have been lurking around the forums and collecting materials to make my own. CC will be an expired 100 lb tank toyed with using either An expire 20 lb or a 35lb propane tank but settled on an old compressor tank that was converted to an oil storage/delivery tank it is about a 5 to 7 gallon tank more than enough for the 3 to 1 ratio for the burn box to CC