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1 Gallon Fermenting Glass Jar

Regular price $27.50

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Simplify your homemade fermentation production with this high-quality 1 gallon fermenting glass jar, with or without airlock!

Use this fermentation jar to create kombucha, kefir, sauerkraut, vinegar, yogurt, apple cider and many more delicious fermented goods!

  • Made of high-quality, acid-resistant, FDA food-grade glass
  • Transparent, so you can see its contents
  • Volume suitable for most uses
  • Wide opening for easy use and cleaning
  • Includes a plastic lid that will not rust (unlike metal lids)
  • Includes a 100% cotton cloth cover (and elastic bands) that will let the fermentation breathe while protecting it from impurities


Optional Airlock

An airlock already installed on the lid is available as an option. This device is ideal for anaerobic (oxygen-free) fermentations.

Comes with a 3-piece airlock and a rubber eyelet. The lid of the fermenting jar is pierced for easy installation. Cotton cloth cover and elastic bands are also included.

To use the airlock, fill it with water or alcohol until it reaches the "FILL LINE" level.



  • Volume: 3.8L (1 gallon)
  • Jar dimensions:
    • Diameter of the opening: 10cm (4")
    • Maximum diameter: 15.5cm (6.10")
    • Height: 25cm (10")
  • Complies with FDA food standards
  • 100% cotton cover size: 25x25cm (10x10")
  • Airlock (optional):
    • Includes 1 airlock (3-piece bubbler) and 1 rubber grommet
    • Fits into the pierced plastic lid

Customer Reviews

Based on 10 reviews

Didn’t work well.

Hello Pawan, thank you for leaving a review!

We have reached out by email in order to learn more about your experience and your specific problem(s) with the product.

Mark Cyr
gallon jars

Love the gallon jars - they are perfect - I also love the lids with the air locks

Galon Jars

These jars with the plastic lid and airlocks will be perfect for my ferments for years to come. Reasonable price and fast delivery. I also have your fermentation book. Damn fine book.


To do with a good milk, that makes all the difference! "

Nicholas Chevalier

Perfect jar for Kombucha, especially thanks to the cotton used to cover and filter!

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