ocr: The Brewing - - - Process fermenters are used with a conical base, in which the yeast settles into the base. These days many ales are also fermented in closed conical fermenters. Before a beer leaves the brewery it must be conditioned. The conditioning process differs according to how the beer is to leave the brewery. For cask conditioned beers (real ales), the beer goes directly into the cask, barrel or bottle. More hops may be added to the cask (dry hopping) for extra aroma. Finings are added which bind the materials responsible for haze and sink to the bottom, clarifying the beer. The yeast ...