Maintenance & Cleaning

Descalers, cleaning tablets, water filters, and machine-care kits

How to Descale an Espresso Machine: A Q Grader's Guide

CQI Q Grader Clara Bennett explains how to descale an espresso machine properly: the right citric acid ratio, why vinegar can void a Breville warranty, the exact button sequences for Breville, De'Longhi, Philips and Nespresso, and why the descale light sometimes refuses to go out.

0 products reviewed · Updated Sep 20, 2026

How to Clean a Coffee Maker: A Q Grader's Complete Guide

CQI Q Grader and SCA roaster Clara Bennett explains how to clean a coffee maker the right way — the vinegar descaling routine, how often to do it, cleaning a drip machine vs a Keurig-style single-serve, the parts people forget, and why a dirty brewer quietly ruins good beans.

0 products reviewed · Updated Aug 3, 2026