Kilner Fermentation Jar 3L with Silicone Lid

Kilner Fermentation Jar 3L – Complete Fermentation Set with Airlock Lid

The Kilner Fermentation Jar 3L is a purpose-built glass container for home fermentation, designed to hold 3000 ml of liquid while maintaining a controlled anaerobic environment.

• 3000 ml capacity provides ample space for batch fermentation of vegetables, fruits, or beverages
• Silicone lid with airlock mechanism allows CO2 to escape while preventing oxygen and contaminants from entering
• Made from durable glass, resistant to staining and odour absorption over repeated use
• Includes one silicone lid — ready to use straight out of the box

What sets the Kilner Fermentation Jar apart

The integrated airlock system eliminates the need for daily manual venting, reducing the risk of contamination during the fermentation process. The glass construction ensures a neutral, non-reactive vessel that preserves the flavour integrity of your ferment.

Ideal for...

Home fermenters and preservation enthusiasts who want a reliable, no-fuss setup for lacto-fermentation, pickling, or small-batch kombucha. Suitable for kitchens where hygiene and consistent results matter.

How to use the Kilner Fermentation Jar

1. Fill the jar with your prepared fermentable ingredients, leaving headspace for expansion
2. Seal with the included silicone airlock lid
3. Place in a cool, dark location and monitor fermentation progress over 3–14 days depending on the recipe
4. Once fermentation is complete, store in the refrigerator to slow further activity