Tips & Good Things to Know « When you first use your Bonfire, the unique double-wall airflow within the unit will take approximately 5-15 minutes to achieve full efficiency. The more evenly your fire burns inside the Bonfire, the more prominent the flame pattern showing the secondary combustion will appear. « Use dry hard woods for best results. « Overfilling the Bonfire above the top air holes will decrease efficiency and will produce more smoke. « Store your Bonfire in a cool and dry location.