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Alkalis

Brewing Alkalis

Alkalis are chemical substances that neutralize acids and raise the pH of a solution. In brewing, the alkalinity of water can affect the pH of the mash, which is a crucial factor in beer and wine flavour and quality.  

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Here's how alkalinity plays a role in brewing:

  • Mash pH: The pH of the mash, where grains are mixed with water to release sugars, should be between 5.2 and 5.6. Alkalinity can affect this pH level.  
  • Water Treatment: Depending on the alkalinity of your water, you might need to adjust it using acids or alkalis to achieve the desired mash pH.  
  • Beer Style: Different beer styles have different pH requirements. For example, darker beers generally require a lower mash pH than lighter beers.  

 

In summary, brewing alkalis is not a specific term, but the concept of alkalinity is essential for brewers to understand and control.

By managing the alkalinity of their water, brewers can ensure that their beer has the desired flavour profile and quality.

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