How do you get rid of liquid smoke in barrels?

To get rid of liquid smoke in barrels, first, thoroughly clean the barrel with hot water and a mild detergent to remove residues. Rinse the barrel multiple times to ensure no detergent remains. If the liquid smoke smell persists, you can use a mixture of vinegar and water or a baking soda solution to absorb odors. Finally, let the barrel air out in a well-ventilated area before reusing it.