Premium Breathable Silicone Bung for Barrels and Variable Volume Tanks Brand_MicroMatic ensures the corks are lightly

ensures the corks are lightly moistened with a sulfite solution before use

Using the BrewBuilt Tri-Clamp Kettle as a base

Aside from all the "sciency stuff"

and the pressures can be easily and precisely adjusted with the hand dials

Premium Breathable Silicone Bung for Barrels and Variable Volume Tanks Brand_MicroMatic ensures the corks are lightlyWe recently discovered this premium breathable silicone barrel bung and were immediately impressed with its robust design and features. To start with, the built in tabs really help make bung removal effortless. But where the bung really shines is in its two piece design. When set to the open position, the bung acts as an airlock and allows the release of CO2 while maintaining a seal against oxygen coming in. This makes the bung ideal for alcoholic or