Coffee Facts

Expert guides on coffee brewing, roasting, beans, and equipment. Master your coffee journey with in-depth articles.

Kaleido M2 Bean Probe Problems Are a Roaster’s Dilemma

Kaleido M2 Bean Probe Problems Are a Roaster’s Dilemma

A roaster with 31 attempts reports the Kaleido M2’s probe hits first crack at ~172°C no matter what, leaving them frustrated and questioning their purchase. Despite trying fixes like recalibration and different probes, the machine remains unreliable, turning a costly tool into a source of stress.
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PID Kit or New Grinder? Solving the Rancilio Silvia’s Extraction Gap

PID Kit or New Grinder? Solving the Rancilio Silvia’s Extraction Gap

Your espresso is missing clarity despite perfect technique—Rancilio Silvia’s lack of PID control leaves you chasing consistency without the tools to achieve it. A PID kit may stabilize temps, but Reddit users argue a full grinder overhaul is needed to truly refine extraction.
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Why Your Dedica EC685-K6 Is Producing Battery-Acid Sourness (And How to Fix It)

Why Your Dedica EC685-K6 Is Producing Battery-Acid Sourness (And How to Fix It)

Your espresso is sour not because of your technique, but because your Dedica EC685-K6 lacks PID control and pre-infusion, leaving shots rushed and tasting like battery acid. Adjusting grind size and roast can help, but without precise temperature control, the machine’s design keeps your brews...
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