The Importance of Fermentation Temperature Control

 By Aaron Brussat

 Have you ever wondered why you should control the temperature of your fermenting beer? Any humble brewer will tell you, “I don’t make beer; I make wort. Yeast makes beer.” While that is true, one of the final steps in brewing a batch is also the most vital to control: fermentation. Yeast health, pitch rate, and temperature will all affect the way your beer tastes; we’ll just focus on temperature here. While most commercial breweries have glycol-jacketed fermentors they can control to the degree, homebrewers are often left to their wits to finagle ways to keep temperature in check.


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