Brewed Barista
Guides
Guides, reviews, and tips for perfect coffee at home — from beginner to home barista.
May 16, 2026
Water Chemistry for Coffee: Why Your Tap Water Might Be Ruining Your Brew
Water makes up over 98 percent of your brewed coffee. Its mineral content directly affects extraction, flavor, and even equipment longevity. Here is what every home brewer should know.
waterscienceextraction
Apr 1, 2026
Water Temperature and Coffee: The Science Made Simple
Water temperature is one of the biggest levers in coffee brewing, and most people never touch it. Here's how temperature affects extraction, what range to aim for, and how to nail it without a fancy thermometer.
waterbrewingcoffee science