I started out smoking on that smoker about 6 years ago. It is a good little smoker to get started on. You just have to experiment a little and find out what you like best. Generally speaking, I prefer to cook things "low and slow", or basically at a lower temperature for a longer period of time. Some people cook higher temps for shorter time periods.
As far as your particular smoker, you can basically fill up the chip box and water pan and be good for 4 hours or so before you may need to add chips. The best thing about that size of a smoker is even if you make a mistake, you will not ruin too much meat due to the size. It is a good smoker to learn on. Keep reading this site. I am always humbled and blown away at the collective knowledge of the brethren and their willingness to help you with your questions.
Homemade Wood Smokehouse, Charmglow gasser, Smoke Hollow, UDS, dual chamber homemade grill
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