Water flow

Boiler scale prevention and water path

Boiler scale prevention and water path

How scale forms in espresso machine boilers, the water path it follows, and strategies to prevent buildup and maintain performance.

Flow profiling and needle valves

Flow profiling and needle valves

How flow profiling and needle valve systems give baristas precise control over water delivery and extraction dynamics in espresso machines.

Channeling detection and mitigation

Channeling detection and mitigation

How to detect espresso channeling, understand its causes, and apply puck preparation techniques to prevent it.

Declumping and WDT tools

Declumping and WDT tools

How declumping and Weiss Distribution Technique (WDT) tools improve puck preparation, reduce channeling, and enhance espresso consistency.

Shot time vs flow profiling

Shot time vs flow profiling

The relationship between shot time, flow rate, and pressure profiling, and how they shape espresso extraction and flavor.

Kalita Wave: flat-bed extraction

Kalita Wave: flat-bed extraction

How the Kalita Wave’s flat-bed design promotes even extraction and how to optimize brewing technique.