The Fermentation Project

Good Cup joins James Hoffmann, Square Mile, and Caravela for The Fermentation Project.

Brew all four side by side. Same grind, same water, same time. What changes in the cup is fermentation, and only fermentation.

Roasting soon

The control. No open fermentation at all.

Process 01: Mechanically demucilaged

Left to natural, ambient yeasts and bacteria.

Process 02: Wild fermentation

A specific bacteria strain added to guide the ferment.

Process 03: Lactobacillus inoculated

A specific yeast strain added to guide the ferment.

Process 04: Yeast inoculated

Every lot is roasted to the same filter profile. Nothing else is different. What you taste in the cup is fermentation.

What's in the box