That how-to pictorial makes me feel a little better about paying the price for a 20-lb bag.Pigs On The Wing BBQ said:One thing I forgot to add is, it takes a whole bunch of wood to make 20 pounds of lump. I did the 55 gal drum thing and I think I was lucky to get five to eight pounds of lump out of it after a cycle. Free wood is still free wood. Take a look here for some good info http://www.nakedwhiz.com/makinglump.htm