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Article · Friday, September 11, 2026

Specialty coffee · Worth knowing

One thing happening in the world of Specialty coffee today, written for an enthusiast — not a beginner. Skip celebrity gossip. Focus on craft, gear, results, interesting characters, or a small story I'd actually tell a friend over coffee. Quality over quantity.

By Marius BongartsOther65 editions
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Specialty coffee · Worth knowing
Friday, September 11, 2026
Specialty coffee · Worth knowing

Anaerobic clarity beats intensity, Congo breaks auction records

2 min read

Anaerobic clarity over intensity

Anaerobic fermentation doesn't have to taste loud.

Ana María Donneys at Finca Primitivo in Colombia runs a 96-hour sealed fermentation with selected yeasts that prioritizes restraint—her Green Mist lot reads mint, jasmine, and cocoa instead of the heavy, funky profile most anaerobic coffees wear like a badge [Quelle: Haiku Brew]. She stacks 24 hours of carbonic maceration, then 72 more, then extends the anaerobic phase under controlled conditions so fermentation shapes the cup without dominating it. This matters because most bags don't tell you whether a producer was chasing intensity or precision.

The distinction reframes what anaerobic processing can do.

Congo's first anaerobic lot shatters record

The Democratic Republic of Congo just entered the anaerobic conversation at premium prices.

Pact Coffee paid $55.50 per kilogram for Izuba at the 2026 Best of Congo Cooperatives auction—one of the first anaerobically fermented lots from Yetu Qahwah growers in the DRC, now earmarked as a limited 2027 release [Quelle: Perfect Daily Grind]. The price signals that specialty roasters see Congo's high altitude and terroir as finally getting the processing innovation it deserves. Watch other roasters chase DRC microlots now that the pathway is proven.

Congo's entering the fermentation frontier.

Geisha altitude and fermentation unlock potential

Geisha's aromatic magic isn't just genetics—it's terrain and technique.

Recent 2025 research confirms that Panamanian Geisha grown above 1,700 meters in cooler fermentation conditions scores higher, with jasmine, bergamot, and tea-like aromatics emerging when altitude and processing align [Quelle: Achilles Coffee Roasters]. The variety itself traces back through Ethiopian landraces, not the narrow Bourbon-Typica base dominating Latin America, so it offers genuinely different sensory potential. But processing—washed, natural, honey, or fermented—acts as a lens revealing varietal character rather than creating it, which means transparent provenance matters more than prestige pricing alone.

Altitude, microbes, and transparency just became the Geisha playbook.

Same coffee, two ferments, two flavors

Shoondhisa proves processing choice is flavor choice.

Manhattan Coffee Roasters is selling the same Ethiopian coffee from Station Sookoo Coffee processed two ways—natural and anaerobic—side by side to show how method transforms taste [Quelle: Manhattan Coffee Roasters]. Natural processing pulls blueberry and orange; anaerobic fermentation shifts the same origin toward berry compote and strawberry juice. This comparative offering demystifies what roasters have been chasing anecdotally: proof that microbial environment shapes the cup more dramatically than most enthusiasts expect.

Side-by-side tastings are becoming the new benchmark for processing education.

Sources
The Fermentation Process Nobody Else Is Running Quite Like This
The Fermentation Process Nobody Else Is Running Quite Like This
20 hours ago ... Most anaerobic coffees chase intensity — heavy, funky, unmistakable, the kind of cup that announces itself the moment you smell it. That's a valid approach, ...
haikubrew.com
AI Summary

Ana María Donneys at Finca Primitivo in Colombia has developed a distinctive anaerobic fermentation process for her Green Mist lot that prioritizes clarity over intensity. Her method combines 24 hours of carbonic maceration, followed by 72 additional hours of the same, then an extended anaerobic period totaling nearly 96 hours, guided by selected yeasts rather than left to chance. Each fermentation stage is deliberately controlled to prevent the process from dominating the final cup, resulting in a clean, layered profile with notes of fresh mint, jasmine, and cocoa. This approach demonstrates that anaerobic fermentation can achieve precision and restraint rather than the heavy, funky characteristics typically associated with the method. Beyond her processing innovations, Donneys co-founded IWCA Colombia, an organization supporting women building careers in specialty coffee.

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Coffee News Recap, 11 Sep: Global Coffee Awards announce best ...
Coffee News Recap, 11 Sep: Global Coffee Awards announce best ...
9 hours ago ... Every Friday, Perfect Daily Grind rounds up the top coffee industry news from the week. ... competitions in MENA, Africa, and Asia earlier this year. With ...
perfectdailygrind.com
AI Summary

The Global Coffee Awards crowned top roasters across multiple regions, with Sweet Bloom Coffee Roasters in Colorado winning the overall championship in the US and Canada segment. Other winners included Cafe Kreyol from Virginia in the Filter category, Lucky's Coffee Roasters from California in the Espresso category, Soul Cafe Coffee Roasters from New York in the Flat White Dairy category, and Pulp Coffee from Texas in the Ready to Drink category. Applications for the Global Coffee Awards Europe remain open through 21 October, with all regional winners competing for the World's Best Roaster title on 18 & 19 March 2027. Pact Coffee, a UK roaster, set a new auction record at the 2026 Best of Congo Cooperatives, paying US$55.50/kg for Izuba, one of the first anaerobically fermented lots from the DRC produced by growers at Yetu Qahwah. The coffee will be released as a limited-edition offering on Pact's menu in 2027, highlighting specialty coffee's growing interest in innovative fermentation processing methods.

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Gesha Coffee Explained: Origin, Flavor & Panama Geisha
Gesha Coffee Explained: Origin, Flavor & Panama Geisha
9 hours ago ... ... fermentation protocols. Each method changes the balance between intrinsic varietal aromatics and process-derived fruit, fermentation, texture, and sweetness.
achillescoffeeroasters.com
AI Summary

Gesha occupies a unique position in specialty coffee as simultaneously a plant variety, historical lineage, sensory reference point, and market phenomenon. The lineage traces back to Ethiopian coffee forests through research stations in Africa and the CATIE germplasm system in Central America before reaching Panama in the 1960s, where high elevation and lot separation transformed it into an internationally recognized specialty coffee. The variety represents an Ethiopian landrace distinct from the narrow Bourbon-Typica cultivated base dominating Latin American coffee, offering genuinely different agronomic and sensory characteristics including jasmine, bergamot, peach, citrus, and tea-like aromas when grown at suitable high elevations. The modern breakthrough occurred at Panama's 2004 Best of Panama competition when Hacienda La Esmeralda's separated high-elevation Jaramillo lot demonstrated exceptional aromatic distinction, establishing lot separation as equally important as cultivar genetics in revealing quality potential. Recent 2025 research on Panamanian Geisha supports that altitude above 1,700 meters and cooler fermentation conditions correlate with higher sensory scores, though local farm management, harvest selection, and processing remain critical variables. Processing methods—washed, natural, honey, or elaborate fermentation protocols—act as a lens revealing or transforming varietal potential rather than creating genetic identity, and authentic Gesha requires transparent provenance information beyond prestige pricing to justify its premium market position.

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Explore Shoondhisa - Manhattan Coffee Roasters
10 hours ago ... Discover Shoondhisa Natural and Shoondhisa Anaerobic — the same coffee, processed in two different ways. Each processing method brings out a unique ...
manhattancoffeeroasters.com
AI Summary

Discover Shoondhisa Natural and Shoondhisa Anaerobic — the same Ethiopian coffee from Station Sookoo Coffee processed in two different ways to showcase how processing methods transform taste. The natural processing and anaerobic fermentation techniques each bring out unique flavor expressions from the same origin, offering distinctly different taste experiences featuring notes of blueberry, orange, berry compote, and strawberry juice. This comparative offering demonstrates the practical impact of specialty coffee processing methods on the final cup profile, available in both filter and espresso roasts.

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