Bubbler Airlock with 1 Gallon Rubber Bung

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This Bubbler Airlock with Rubber Bung (to fit 1 gallon demi-john) is the perfect solution for having an airlock on your fermentation barrel. The airlock allows the gas from the brew to escape without letting outside air into the vessel.

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£ 1.25

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This Bubbler Airlock with Rubber Bung (to fit 1 gallon demi-john) is the perfect solution for having an airlock on your fermentation barrel. The airlock allows the gas from the brew to escape without letting outside air into the vessel.

The fermentation process gives off a lot of gas which you can see and hear bubbling away, a good indication that your brew has finished fermenting is if it's stopped bubbling. Always be sure to check with a hydrometer though.

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Bubbler Airlock with 1 Gallon Rubber Bung

Bubbler Airlock with 1 Gallon Rubber Bung

This Bubbler Airlock with Rubber Bung (to fit 1 gallon demi-john) is the perfect solution for having an airlock on your fermentation barrel. The airlock allows the gas from the brew to escape without letting outside air into the vessel.

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