Coffee Lab

Acidity — often mistaken for acrid, bitter or pungent — is at the heart of the flavor chain. In truth, acidity is the dry, bright and sparkling sensation that sets a high-quality coffee from a mundane, flat cup. The comparison to a nice wine or a craft-beer experience is what comes to mind with a better cup. Acidity is not a flaw. It is a feature. Here is how to spot them: Citric Acid: Think lemons, oranges, and bright berries. Malic Acid: Crisp and smooth, like a green apple. Phosphoric Acid: Sparkly and sweet, cola-like mouthfeel. Once you start tasting these,...

Precision grinding is considered more important than the brewing device itself. A breakdown of burr grinders charting the progression from budget entry-level to prosumer tiers.

Air roasting (fluid-bed) relies almost entirely on convective heat transfer, suspending coffee beans in a continuous stream of hot air. Drum roasting, by contrast, relies heavily on conductive heat, tumbling beans against a heated metal drum. This core difference in heat application gives fluid-bed roasting distinct advantages: Cleaner, Brighter Cup Profile Because beans float in air rather than touching hot metal surfaces, there is no risk of tipping, scorching, or facing contact burn. This prevents harsh, burnt, or acrid notes—allowing the bean’s origin characteristics, acidity, and delicate floral or fruit nuances to shine cleanly. Immediate Chaff Removal The continuous airflow...

Although it’s one of the easiest methods to make coffee for more than one cup, French Press is no longer the most chosen route to an immersive cup of coffee. Time to update to the new hybrid in town.  What?!  (it's actually been around since 2008) French Press is an immersion method, and time-worn tradition holds that it makes the biggest, sweetest cup. You can see why: It steeps in coarse grind (with fewer "fines"). But the advent of the Clever Dripper made chemists get their hardware and software out. They found the latter made a more immersive cup, without...