What does alkalinity in water contribute to coffee brewing?

Alkalinity in water plays a significant role in coffee brewing, particularly in its ability to help achieve flavor balance. When water has a certain level of alkalinity, it acts as a buffer against acidity. This means that when coffee is brewed, the alkaline compounds can help to moderate the natural acidity of the coffee, resulting in a more balanced flavor profile.

This balance is crucial because coffee can often have bright, acidic notes that may be overwhelming or undesirable, especially for certain brewing methods or coffee varieties. By controlling the acidity with the right level of alkalinity, you can achieve a smoother, more rounded taste. Thus, the contribution of alkalinity to flavor balance is fundamental for producing a well-rounded cup of coffee.