Elementi Fermentation Lids

These lids are specifically designed to fit any standard wide-mouth mason jar. They will not fit regular-mouth jars, so be sure to check your jar size before purchasing.

The airlock allows carbon dioxide produced during fermentation to escape the jar automatically. This prevents pressure buildup while simultaneously blocking oxygen and contaminants from entering, which is essential for successful fermentation.

Yes, the BPA-free plastic construction is durable and dishwasher safe. We recommend placing them on the top rack to maintain the integrity of the silicone grommets over time.

Absolutely. Once your fermentation is complete, you can use the flip-top silicone grommet to seal the jar tightly for refrigerator storage. This makes transitioning from fermenting to storing seamless.

These lids function perfectly on their own, but many home fermenters choose to use glass fermentation weights alongside them to keep vegetables submerged under the brine. While not strictly required, weights can help prevent mold growth on the surface of your ferments.