SOURBEER
Sour beer
Sour beer is a beer style characterized by an intentionally acidic, tart, sour taste. It is Category 17 of the Beer Judge Certification Program Style Guidelines. In theory any style of beer may be soured, but in practice the most common styles that are soured are Belgian lambics, gueuzes, and Flanders red ale.The above text is a snippet from Wikipedia: Sour beer
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