# Best Fermentation Jars Source: https://sourdoughgearhub.com/best/best-fermentation-jars Updated: 2026-09-14 Publisher: Sourdough Gear Hub. Our score is an editorial rating out of 10 (fit 35%, features 25%, build 20%, value 20%), not a customer rating. Method: https://sourdoughgearhub.com/how-we-research#our-score Fermentation jars are built to handle active cultures, which makes them a natural fit for a bubbling sourdough starter. The key feature is managing the gases fermentation produces, whether through a vented lid, an airlock, or a loosely fitted cover, so pressure escapes without letting the culture dry out. That balance keeps your starter lively between feedings. Below we compare fermentation jars useful to bakers and other fermenters. We look at the venting approach, ease of cleaning, visibility of the contents, and how well each seals when you want to slow things down in the fridge. While marketed broadly, many of these jars double neatly as a home for sourdough, giving your culture room to breathe and rise. ## Picks ### 1. JILLMO Wide Mouth Glass Fermentation Jar with Airlock and Glass Weight, 2L (64oz) Fermenting Jar, Pack of 2 Our score: 7.6/10 (Fit for the job 7/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10) JILLMO's Pack of 2 wide mouth 2L (64oz) glass fermentation jars with airlocks and glass weights. Pros: - Airlocks let gases escape without letting air or insects in - Glass weights keep vegetables submerged during fermentation - 2L size is great for sauerkraut, pickles and kombucha Cons: - Airlocks are for sealed vegetable ferments, not ideal for a sourdough starter - Glass weights are mainly useful for pickles, not bread Details: https://sourdoughgearhub.com/product/B089GSHSVL ### 2. JILLMO Wide Mouth Glass Fermentation Jar with Airlock and Glass Weight, 1.5L Fermenting Jar, Pack of 2 Our score: 7.6/10 (Fit for the job 7/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10) JILLMO's Pack of 2 wide mouth 1.5L glass fermentation jars with airlocks and glass weights. Pros: - 1.5L size suits smaller vegetable ferments and pickles - Glass weights keep ingredients below the brine line - Airlocks vent gas automatically without burping jars Cons: - Airlock lids are designed for vegetables rather than sourdough starters - Weights take up space that a starter would need to rise Details: https://sourdoughgearhub.com/product/B089GT17RM ### 3. Glolaurge 1.8L Wide Mouth Fermentation Jars with Airlocks, 2-Pack, Glass Jars with Self-Burping Airlocks Our score: 7.5/10 (Fit for the job 7/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10) Glolaurge's 2-Pack of 1.8L wide mouth glass fermentation jars with self-burping airlocks. Pros: - Self-burping airlocks release pressure without manual venting - 1.8L jars are a moderate size for pickles and ferments - Wide mouth allows easy packing and cleaning Cons: - Airlock design is aimed at vegetables, not starter feeding - Two jars may be more than casual fermenters need Details: https://sourdoughgearhub.com/product/B0FVWR4WKP ### 4. ETITSA Glass Jar with Lid 2.5 Liter Fermentation Jar, Wide Mouth Fermenting Kit Crock with Water Seal Airlock Lid Our score: 7.0/10 (Fit for the job 7/10 · Features and specs 7/10 · Build and materials 7/10 · Value 7/10) ETITSA's 2.5 Liter wide mouth glass fermentation jar with a water seal airlock lid, a crock-style fermenting kit. Pros: - Water seal airlock lid vents gas while blocking air - 2.5 Liter size is flexible for vegetables and larger levain builds - Glass body lets you see fermentation progress Cons: - Water seal lid needs topping up with water to keep working - Designed for vegetables more than sourdough starters Details: https://sourdoughgearhub.com/product/B0BHH9J5M1 ### 5. 2 Pack 1 Gallon Large Fermentation Jars with 3 Airlocks and 2 Screw Lids, Wide Mouth Glass Jars with Scale Mark Our score: 6.8/10 (Fit for the job 5/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10) A 2 Pack of 1 Gallon wide mouth glass fermentation jars with 3 airlocks, 2 screw lids and scale marks. Pros: - 1 Gallon capacity handles large batches of kombucha or sauerkraut - Scale marks help track volume during fermentation - 3 Airlocks provide a spare for when one wears out Cons: - Gallon jars are too large for a home sourdough starter - Big glass jars are heavy and hard to store when full Details: https://sourdoughgearhub.com/product/B0C4DY4QF1 ### 6. Folinstall 1.5 Gallon Large Fermentation Jars with 2 Airtight Lids and 3 Airlocks, Wide Mouth Glass Mason Jar, 2 Pack Our score: 6.6/10 (Fit for the job 5/10 · Features and specs 8/10 · Build and materials 7/10 · Value 7/10) Folinstall's 2 Pack of 1.5 Gallon wide mouth glass mason jars with 2 airtight lids and 3 airlocks for fermentation. Pros: - 1.5 Gallon capacity suits big batches of kimchi or kombucha - 3 Airlocks and 2 airtight lids offer flexible sealing options - Wide mouth jars make filling and cleaning easier Cons: - Far too big for a sourdough starter or levain - Heavy glass jars are hard to move when full Details: https://sourdoughgearhub.com/product/B0D3LKG9Z8 ### 7. FastRack 1 Gallon Mason Jar Wide Mouth and Twin Bubble Airlock for Fermentation, BPA-Free Glass Jar with Lid Our score: 6.3/10 (Fit for the job 5/10 · Features and specs 7/10 · Build and materials 7/10 · Value 7/10) FastRack's 1 Gallon BPA-free wide mouth mason jar with a twin bubble airlock for home fermentation. Pros: - Twin bubble airlock gives a visible sign of fermentation activity - FastRack is a known supplier of home brewing gear - 1 Gallon jar handles large batch ferments Cons: - Single jar with a large capacity is overkill for starters - Airlock setup is geared to brewing, not bread Details: https://sourdoughgearhub.com/product/B0B37H4R5N ### 8. 2 Pack Large Fermentation Jars, 1.5 Gallon Glass Jars with Airtight Lid and 3 Airlocks, Large Mason Jars with Scale Line Our score: 6.3/10 (Fit for the job 5/10 · Features and specs 7/10 · Build and materials 7/10 · Value 7/10) A 2 Pack of 1.5 Gallon large glass fermentation jars with airtight lids, 3 airlocks and scale lines. Pros: - Scale lines help measure liquid and track fermentation - 3 Airlocks included for vegetable and kombucha ferments - Two large jars allow multiple ferments at once Cons: - 1.5 Gallon jars are much bigger than sourdough starters need - Airtight lids are unsuitable for an active starter without airlocks Details: https://sourdoughgearhub.com/product/B0DL54L59H As an Amazon Associate I earn from qualifying purchases.