Featured · 27 Sep · Lab
What we test for, and why
The five analytes on every Kyros certificate of analysis, explained without the fear-marketing.
Read essay · 8 minThe Journal
Field notes from
the supply chain.
Long-form essays on origin, roasting, decaf chemistry, the C-market, and the small craft of pouring water onto ground beans.
27 Sep · Trade
The C-market problem
Why commodity pricing has nothing to do with the cup, and exactly how we price a lot at 40% above it.
Read · 8 min
27 Sep · Roast
Roasted Tuesday, shipped Thursday
The 72-hour rest window, why it matters for flavor development, and how our logistics respect it.
Read · 5 min
27 Sep · Process
Why sugarcane decaf
A short tour of decaffeination methods and the one we chose for Deep Sleep: naturally derived from sugarcane, processed at origin.
Read · 6 min
29 Jul · Health
The healthiest way to drink coffee (and what quietly ruins it)
Coffee is linked to a lower risk of heart disease and dementia, but sugar and ultra-processed add-ins can erase the benefit.
Read · 6 min
29 Jul · Origin
Single-origin coffee
One farm, one harvest, roasted fresh and traceable all the way back to the slope it grew on.
Read · 5 min
29 Jul · Brewing
Filtered brewing methods
Paper filters trap most of the diterpenes that push LDL up. The method you choose changes what ends up in the cup.
Read · 6 min
29 Jul · Process
Coffee freshness
Freshly roasted beans hold aromatics that stale coffee has already lost — and storage only slows the clock.
Read · 5 min
27 May · Origin
Above 1,800m: Why high-altitude coffee tastes different
What changes when cherries ripen a month later than the valleys below — density, acidity, and why we pay for it.
Read · 6 min
20 Aug · Letters
The quiet letter
Notes on building a brand that doesn't shout. The discipline of saying less, more often.
Read · 4 min
Join the Quiet List
A letter, on Tuesdays.
Harvest dates, lab results, and the occasional long-form essay on coffee supply chains. No discounts. No urgency.