Any vessel in which fermentation takes place In home brewing, fermenters are usually plastic buckets, or carboys (large jugs) made from either plastic or glass Commercial breweries typically use large stainless steel tanks
This is where the real action takes place Our very own, Very hungry yeast are added to the cooled wort The begin a huge binge of eating and reproduction During this time sugars from the wort are consumed by the yeast and converted to ethanol (alcohol) and CO2