What a Tamper Does and Why It Matters
What is a tamper? It's the hand tool that compresses coffee grounds into an even puck so water brews evenly.…
Latest guides
Practical, technician-written help for home espresso machines.
Espresso Machine Won’t Turn On: First Checks
Espresso machine won't turn on? Work the power side from outlet to thermal fuse with this technician's checklist before assuming…
Semi-Auto vs Super-Auto Espresso Machines
A repair tech breaks down the semi automatic vs super automatic espresso machine choice by lifestyle, maintenance, cost, and who…
How to Clean an Espresso Shower Screen
Learn how to clean an espresso shower screen the right way: remove it, soak out trapped coffee oils, and fix…
Dialing In New Coffee Beans Step by Step
Dialing in new beans doesn't have to burn half the bag. Here's my bench-tested routine for a good shot in…
Thermoblock vs Boiler: What to Buy
A repair tech breaks down the thermoblock vs boiler espresso machine choice: real prices, warm-up times, and which one gives…
Portafilter Basics: What It Is and How to Use It
Learn what a portafilter is, how its spouts and basket hold coffee, and how to lock it into the group…
Single vs Dual Boiler Espresso Machines
A repair tech explains the single vs dual boiler espresso machine difference: real workflow, temperature stability, prices, and who should…
How to Backflush an Espresso Machine
Learn how to backflush espresso machine group heads with a blind basket and detergent to clean the three-way solenoid path…
Best First Espresso Machine for Beginners
The best first espresso machine for beginners, ranked by a repair tech: six forgiving, easy-to-learn setups from $110 to $900,…
Espresso Grind Size: Getting It Just Right
Espresso grind size is the biggest lever you have over extraction. Learn to read your shot, adjust the grinder by…
How to Replace an Espresso Shower Screen
Learn how to replace a shower screen espresso side on your machine, from removing a seized holding screw to picking…