EcoJarz Fermenter Kit - Wide Mouth

Transform any wide-mouth glass jar to a fermenting jar with this stainless steel fermenter lid kit. The three-piece water cup creates an airlock and anaerobic system for your kraut, pickles and kimchi fermentation. This system allows gasses to escape with out exposing your ferment to other bacteria. Suitable for use with wide-mouth jars. Lid and airlock system only.

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you are making a difference:

  • Use for a variety of purposes, interchange the lid with other jars.
  • Make endless supplies at home with reusable equipment, instead of pre-packaged store-bought ferments.


  • Wide-mouth lid with silicone gasket hole fits any wide-mouth Mason jar (jar not included).
  • Plastic three-piece airlock fits into lid to create an air-tight seal. 
  • No need to burp your jars, gasses escape though the water-filled airlock. 
  • Suitable for lacto-fermented foods.
  • Easy to assemble.
  • Comes with recipe booklet. 
  • No BPA, phthalates or chemical leaching. 
  • Designed in Denver, CO.


Food grade 304 stainless steel, silicone and bpa free plastic. 

Lid: 9cm diameter. 

Airlock: 12cm high.

Made in Vietnam.

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