I'm hoping you all smoking veterans can give this newbie some advice. I have a Char Griller Duo with firebox. I've had it for a couple months and absolutely love it. I'm new to smoking meats like this. I have smoked ribs, chicken, pork roasts, and even a turkey and all have turned out good. The only problem I am having is that I am having a hard time keeping my heat up. I would appreciate any feedback. Thanks in advance.