(PS380) A special blend of cleaners and neutralizers designed specifically for cleaning wooden barrels and bring them back to a sweet condition. Each pound is sufficient for 5 gallons of solution with water. We highly recommend treating your barrel with Barrolkleen if you have obtained it used, or if the barrel has had questionable usage in the past. Treatment of Barrolkleen should also be followed up with a treatment of Sodium Bisulfite and Citric Acid, sold separately. Contains: Sodium Sesquicarbonate, Soda Ash and Lye. Come with complete directions.