# The Best Fido Jars for Vegetable Ferments Source: https://fermentnest.com/best/best-fido-jars Updated: 2026-09-14 Publisher: Ferment Nest. Our score is an editorial rating out of 10 (fit 35%, features 25%, build 20%, value 20%), not a customer rating. Method: https://fermentnest.com/how-we-research#our-score Fido-style jars, the Italian gasket-sealed clamp jars, have a devoted following among vegetable fermenters for a simple reason: the rubber gasket vents excess CO2 on its own while keeping oxygen out, so you get airlock-like behavior with no extra hardware. No weekly burping ritual, no water-filled airlock to knock over. What varies is size, gasket quality, clamp tension, and whether the jar shape makes it easy to pack vegetables tightly and keep them submerged. We weighed seal consistency, gasket availability as replacements, mouth width for packing and weighting, and how sizes map to real batches, since a half-full jar leaves more oxygen headspace than ideal. The 1 liter jars suit small test batches and condiments like fermented hot sauce mash. The 2 and 3 liter sizes suit household sauerkraut and pickle production. Pair any of them with glass weights, because the jar solves gas exchange, not floating vegetables. ## Picks ### 1. Bormioli Rocco Fido 2 Pack 33.75 oz Food Storage Glass Jars with Airtight Rubber Seal and Stainless Wire Clamp Our score: 8.6/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Bormioli Rocco's Fido 2 Pack of 33.75 oz glass jars with airtight rubber seal and stainless wire clamp. Pros: - Airtight Rubber Seal lets gas escape under pressure while blocking air - Stainless Wire Clamp resists rust from brine splashes - Bormioli Rocco is a well-known Italian glass maker Cons: - 33.75 oz is small for big vegetable ferments - Rubber gaskets need replacement after heavy use Details: https://fermentnest.com/product/B071RRRZNY ### 2. Bormioli Rocco Fido Squared Wide Mouth Glass Jar with Airtight Gasket Clamp Lid, 101.5 oz Our score: 8.6/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Bormioli Rocco's Fido squared wide mouth glass jar with airtight gasket clamp lid, a large 101.5 oz size. Pros: - 101.5 oz capacity handles big kraut or kimchi batches - Squared shape fits efficiently on pantry shelves - Wide mouth makes packing and cleaning easy Cons: - Large jar is heavy and hard to fit in a fridge - Squared corners are harder to scrub clean Details: https://fermentnest.com/product/B0001BMYHK ### 3. Bormioli Rocco Fido Squared Wide Mouth Glass Jar with Airtight Gasket Clamp Lid, 50.75 oz Our score: 8.6/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Bormioli Rocco's Fido squared wide mouth glass jar with airtight gasket clamp lid in a 50.75 oz size. Pros: - 50.75 oz size is a versatile mid-range fermenting jar - Clamp gasket lid releases gas while keeping oxygen out - Italian glass is thick and durable for repeated use Cons: - Single jar only, so batches need multiple purchases - No weight included for keeping vegetables submerged Details: https://fermentnest.com/product/B0001BMYH0 ### 4. Bormioli Rocco Fido Squared Wide Mouth Glass Jar with Airtight Gasket Clamp Lid, 67.75 oz Our score: 8.6/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Bormioli Rocco's Fido squared wide mouth glass jar with airtight gasket clamp lid in a 67.75 oz size. Pros: - 67.75 oz size is roomy enough for a head of cabbage - Squared shape uses shelf space efficiently - Airtight gasket helps prevent mold on vegetable ferments Cons: - Gasket needs occasional replacing to keep the seal effective - Thick glass jar is heavy to lift once it is full of brine and vegetables Details: https://fermentnest.com/product/B0001BMYHA ### 5. Le Parfait Super Jar 2L (64 oz) French Glass Preserving Jar with Airtight Rubber Seal and Wire Bail Closure, 3 Pack Our score: 8.6/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Le Parfait's Super Jar 2L (64 oz) French glass preserving jars with rubber seal and wire bail closure in a 3 Pack. Pros: - 2L capacity holds a full head of cabbage for kraut or a family pickle batch - Clamp-style bail closure vents pressure through the gasket during active ferments - 3 Pack of large jars lets you rotate batches through the season Cons: - Tall 2L jars are heavy when full and hard to fit on some fridge shelves - Glass weights are not included, so vegetables need another way to stay submerged Details: https://fermentnest.com/product/B07LGGDQ3S ### 6. Le Parfait Super Jar 500 ml (16 oz) French Glass Preserving Jar with Airtight Rubber Seal and Wire Bail Closure, 6 Pack Our score: 8.2/10 (Fit for the job 8/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Le Parfait's Super Jar 500 ml (16 oz) French glass preserving jars with rubber seal and wire bail closure, a 6 Pack. Pros: - 500 ml size suits hot sauce mash, garlic honey or a small pickle batch - Wire bail and rubber seal let excess gas push out while keeping air from rushing in - 6 Pack gives a matching set for small ferments and pantry storage Cons: - Too small for a cabbage worth of sauerkraut or a big kimchi batch - Orange rubber seals take on strong odors and need replacing over time Details: https://fermentnest.com/product/B07MKS2G6H ### 7. Bormioli Rocco Fido Cylinder Glass Jar with Airtight Gasket Clamp Lid, 17 oz, Set of 6 Our score: 7.9/10 (Fit for the job 7/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Bormioli Rocco's Fido cylinder glass jars with airtight gasket clamp lid, 17 oz, Set of 6. Pros: - Set of 6 small jars suits hot sauce and condiment ferments - 17 oz size is perfect for small batch experiments - Cylinder shape is easy to clean and pack Cons: - Too small for sauerkraut or kimchi batches - Six jars take shelf space despite their size Details: https://fermentnest.com/product/B093RVHDVH ### 8. Le Parfait Super Jar 250 ml (8 oz) French Glass Preserving Jar with Airtight Rubber Seal and Wire Bail Closure, 6 Pack Our score: 7.7/10 (Fit for the job 7/10 · Features and specs 8/10 · Build and materials 9/10 · Value 7/10) Le Parfait's Super Jar 250 ml (8 oz) French glass preserving jars with rubber seal and wire bail closure, 6 Pack. Pros: - Le Parfait is a classic French preserving jar brand - Wire Bail Closure with rubber seal gives an airtight hold - 250 ml jars are ideal for small condiment ferments Cons: - 8 oz size is too small for vegetable ferments - Rubber seals wear out and need replacement Details: https://fermentnest.com/product/B07M9Z74CS As an Amazon Associate I earn from qualifying purchases.