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Double Bubble Airlock

Double Bubble Airlock

SKU # 10230

Regular price $3.75 Available

Unit price per 

Vendor: Vintage Shop

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Our fermenter requires a lid gasket and rubber stopper with this product.


A double bubbler offers advantages that other airlocks simply can’t. It will show the difference between the inside air pressure and the outside air pressure (a great way to gauge fermenting activity), and it can also prevent “suck back” (a term used for when liquid in the airlock is sucked into the fermenter due to temperature changes). Not to mention watching the bubbles is a great way to pass the time while you’re waiting for your beer to complete fermentation.



  • (1) Double bubble airlock


Brewing Note

To create an airtight seal with our fermenter, you must use a lid gasket and #2 or #3 rubber stopper along with this product. Always sanitize (inside and out) before using.

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