Independent buying guides for homebrewing

Cool Brewing Insulated Fermentation Bag

Cool Brewing's insulated fermentation bag, a budget-friendly way to steady fermenting temperatures without a chamber.

Price range: See on Amazon

What we liked

  • + Insulation buffers temperature swings in garages and basements
  • + Much cheaper and more portable than a dedicated fermentation fridge
  • + Also useful for keeping kegs cool at events

Trade-offs

  • - Cooling relies on ice packs, so daily attention is required
  • - Zippers and seams can wear with repeated use

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