Hello all, I'm trying to use a Masterbuilt MES 20B 279.8-Sq for basically the first time, never smoked anything before and I just bought a bag of bear mountain wood pellets before doing research and finding out wood chips are preferred in this type smoker. Should I take the pellets back and get chips or am I good to use the pellets? I've read that to use pellets I should get a pellet tube attachment, is that really needed?