How to Descale an Espresso Machine: Complete Guide for Every Brand

If you’ve owned an espresso machine for more than a few months, you’ve probably seen the dreaded DESCALE light blink on, or noticed that shots are taking longer to pull, the steam wand isn’t pushing as much steam, or the pump is making a higher-pitched whine than it used to. All of these are scale. This guide walks through descaling for the four most common types of home espresso machine — Breville (capture-aware automatic), single-boiler PID (Gaggia Classic, Rancilio Silvia), dual-boiler / heat exchanger (Profitec, Lelit, Rocket, ECM), and entry-level pump machines — plus how to backflush, common mistakes that ruin shots for weeks afterward, and a maintenance schedule cheat sheet at the bottom you can screenshot. ...

May 6, 2026 · 17 min · Home Espresso Lab