Diagnose before replacing
Choose what you can observe. Each guide orders likely causes, gives checks you can perform without buying anything, and explains when a product can help - and when it cannot.
Diagnose spraying, uneven flow, and sudden weak paths through an espresso puck before buying more distribution tools.
Look for
Work through basket choice, coffee, grind, dose, yield, and temperature before treating a sour or fast shot as an accessory problem.
Look for
Separate coffee freshness, pressurized-basket foam, recipe strength, grind, and machine issues when espresso looks flat or tastes weak.
Look for
Check cleanliness, dose, basket seating, lock-in, accessory geometry, and gasket condition before replacing portafilter parts.
Look for
Diagnose milk amount, wand position, air timing, steam workflow, and blocked tips before buying pitchers or replacement parts.
Look for
The matcher combines each problem's diagnostic model with stored basket, grinder, locking, steam, warning, and common-mistake facts. Product suggestions still pass the existing compatibility engine. A machine-specific URL is published only for an approved pair with at least two material passport differences.
