Cool Brewing Fermentation Cooler Bag Type_Diffusion Stone When tightening

When tightening

The 3-piece airlock design is preferred for its ease of cleaning and ability to handle vigorous fermentations without blowing over

Capacity: 375 mL

Yeast need oxygen to make good beer

submerge the stone in cooled wort

Cool Brewing Fermentation Cooler Bag Type_Diffusion Stone When tighteningControl your fermentation temperatures with Cool Brewing's simple, yet innovative, insulated fermentation bag. This is the 2nd generation Cool Brew bag, which has made cold fermentation's even easier! Fermenting your homebrew at the right temperature is one of the critical factors in making good beer. Let the temperature get too warm, and your beer will taste 'rough' as the soft malt and vibrant hop flavors disappear! Typically an advanced homebrewer