Home fermentation can be difficult with the natural fluctuating temperatures. This flask has a double-wall vacuum that holds whatever temperature your ferment needs for extended periods, no need for electricity!

Included is a heavy glass AGEE jar similar to a Ball or Mason jar in size and shape -  with a stainless lid because we like making food in glass, not plastic and you can pop it straight in the fridge.

The Fermenting Flask is excellent for yoghurt, soft cheeses, cultured butter, kefir, dairy-free yoghurts. The simple, compact design makes it easy to clean and store.

• Glass jar with stainless steel lid - 1 litre
• Double-wall vacuum insulated technology
• Battery and electricity-free
• Plastic-Free product
• External dimensions:
  • W 13cm x H 20cm

Buy together with our milk kefir grains pulled from the vat the day we send it, and enough for your first 1-litre batch. Illustrated recipe card and support if you join our FB group, Ferm Fam. (To learn more about our milk kefir grains, take a look at our Milk Kefir SCOBY page)