
How to Test Your Tap Water Hardness for Espresso
Stop guessing about scale. Here is how to accurately test your tap water hardness at home using cheap, reliable methods to protect your espresso machine.
Stop scaling your boiler and ruining light roasts. Here is how to choose the right water filtration system for your home espresso setup.

Stop guessing about scale. Here is how to accurately test your tap water hardness at home using cheap, reliable methods to protect your espresso machine.

Master the exact mechanics of WDT, grooming, and tamping. Eliminate channeling and get highly repeatable espresso extractions at home.

A systematic, waste-free guide to dialing in espresso by isolating grind, yield, and temperature for clean, repeatable extractions.
Stop using flat tap water or empty distilled water. Learn how to remineralize distilled water for coffee to protect your gear and extract better flavor.

Stop fighting your tap water. Learn how to use a ZeroWater filter as the starting point for mixing custom, cafe-quality espresso and brew water.

Why distilled or RO water ruins your espresso and how to easily remineralize it at home for better flavor and machine longevity.

Stop guessing at water hardness. We look at the best inline water filter systems to protect your plumbed espresso machine and improve flavor.

Stop channeling and keep your group head clean. Learn how to integrate a puck screen into your workflow without throwing off your brew temperature.

A practical guide to home water filtration for espresso. Learn how to protect your machine from scale while preserving the minerals needed for flavor.

Compare fluid bed and drum coffee roasters for your home setup. Learn how convection and conduction affect flavor, workflow, and roast consistency.
Stop buying stale, oily beans. We review the genuinely fresh, high-quality coffee beans you can actually buy on Amazon right now.
Stop brewing bitter mud. Our editor shares the exact coffee beans and roast profiles that thrive under the high heat of a Bialetti moka pot.
Stop buying stale grocery store coffee. Our senior editor shares the best coffee beans for espresso, filter, and light-roast geeks.