An open fermenter allows the tannins and bitter substances to be skimmed off the top of the kräusen, thus imparting an extraordinary fine and delectable palatability to the beer. In addition, changes in the appearance of the fermentation and the circulation and movement within the tank can be detected in the fermenter immediately In this manner, we developed a fermentation method which protects and fosters the aroma of our beers.
An increasing number of breweries are rediscovering the benefits of open fermentation for themselves, especially the supreme advantages they bring to hoppy beers.
Transparent fermentation cellar | through the development of a unique design, Christian Gresser Behaelter- und Anlagenbau of Regensburg was able to fulfill the wish of brewmaster Axel Kiesbye by realizing his idea for an open, cylindroconical fermenter for the transparent fermentation cellar at Trumer Pils in Austria.
From this singular notion, a concept that is now in demand in the United States was born. Despite the challenges inherent in the design, a system for automated cleaning and removal of the contents and of the carbon dioxide produced during fermentation was developed – a first for open tanks.