Brewing liquor: Quality and treatment – Part 1
Brewing liquor composition has a crucial influence on beer quality. Every beer, independent of the way it is brewed, comprises about 90 percent water. Based on the Bavarian Purity Law, water is one of the ingredients approved for beer production and plays a key role in beer quality and taste. Depending on beer type, chemical composition of brewing liquor has to be specified. As a function of water source or producer, requirements are always higher than those applying to drinking water. Appropriate water treatment forms the basis of quality and taste of beer being brewed. The following contribution describes the main parameters of brewing liquors as well as the influence of same on the beer being brewed. Different methods for conditioning raw waters for the brewing process are also described.
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