lauter tun
vessel
Quick Summary
A lauter tun is a large tank used in brewing. It has a false bottom with slots or perforations. This allows brewers to separate the clear liquid, called wort, from the spent grains after the mashing process. The grain husks form a natural filter bed within the lauter tun, clarifying the wort. This separation is a crucial step in making beer, as it extracts the sugars needed for fermentation. Modern breweries often use lauter tuns to efficiently process multiple batches of beer daily.12
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