Jeff Branco
San Francisco, CA

Winery Equipment Testimonial

Ryan and I worked together at Justin Winery for five years and have known each other for ten. While at Justin, Ryan was passionately interested in the wine making process, could fix about anything and was totally dedicated to making the winery a success. He has taken that dedication to Vintner Vault and became a major player in the winery supply business in just a few years. Jeff Branco, former VP and Winemaker Justin Winery

Home > Wine Cellar Supplies > Bungs & Rubber Stoppers > Airlock 3-Piece Plastic

Airlock 3Piece Plastic

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Airlock 3-Piece Plastic
3-Piece Air Lock


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3-Piece Air Lock

Airlocks (or fermentation traps) are U-shaped devices that act as a simple valve allowing carbon dioxide to escape from wine as it ferments while simultaneously keeping oxygen and air-born bacteria from reaching the wine. Typically, sodium metabisulfite solution (instead of water) or alcohol is placed in the airlock "U". This allows gas to escape from the wine. Fruit flies can carry harmful bacteria that may contaminate the wine. When a fly falls into an airlock full of metabisulfite solution, the "meta" will sterilize the bacteria and assuring that the wine will not turn into vinegar.


Winery-Brewery-Distillation Equipment & Supplies

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