Arsosala is a washing station founded in 2015 that currently serves about 1,200 smallholder producers in the Urga woreda (district) of Guji, a beautifully forested area in southern Ethiopia. Before the early 2000s, this region was considered part of Sidama but has since become its own ‘independent’ one.
Growers here tend small coffee gardens at very high altitudes in the rich red soil of the highlands; they often grow other crops as well. As commonly happens in the rest of the country, smallholders deliver their coffee in cherry to the closest washing station—in this case, Arsosala—where their coffee will be sorted, weighed, paid for or given a receipt, and later processed in bulk.
Blending all these cherries (typically separated or tagged per day lots) makes it virtually impossible under normal circumstances to know the producers participating in each bag; that’s why the coffees are sold under and referred to the name the washing station.
The cherries of this lot were picked ripe and de-pulped the same day, then fermented overnight before being washed clean and dried on raised beds (it typically takes the coffee 8–15 days to dry under sun and 15–20 days to dry when there are cloudy skies).
The ‘special preparation’ refers to an additional inspection during hand-sorting stage, just before the fermentation starts, to make sure only the ripest cherries make it to this lot.
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Ethical, traceable sourcing
This page has all the sourcing information (variety, process, region, story, importer, and more) that our importers share with us, and give us permission to use.
The transparency helps us talk confidently about the quality and background of our product, and it helps you know exactly what you’re buying.
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Coffee page transparency legend
Our coffee philosophy
Our business approach
Fresh harvest coffee
We only source and roast coffee from each country’s latest harvest season (so the green coffee is never older than 1 year from the time of picking, processing and packing). This ensures the sensory qualities are always at their peak and unaffected by excessive ageing.
Roasted for espresso and filter (best enjoyed black)
Roast style: omni. Omni roasts are designed to brew and taste great both as espresso and filter. Our omni single origins generally sit on Agtron values in the ~70-60 value range. So, technically, they are somewhere in the lighter side of the medium spectrum.
Designed for espresso and filter brewing. Best enjoyed black.
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Our Loring Kestrel S35 roaster
Our roasting style and approach
Best brewed within days 15-49 post-roast
The ‘fresh is best’ saying doesn’t apply to coffee (contrary to popular belief). Waiting before opening and brewing your bag of whole coffee beans helps develop peak flavour and acidity.
But heads up: if you buy pre-ground coffee, brew it as soon as possible.
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Our recommended brewing window
Try our custom brewing recipes
Our recipes and ratios are tailored to our coffee sourcing and roasting styles, bringing the best flavour and feel out of each coffee.
For pour over, immersion, and other filter brewing styles, check our brew guides.
For our espresso single origins, we recommend a coffee:yield ratio of 1:3:
- Dose: 20g ground coffee
- Yield: 60g espresso
- Total brew time: ~24-28 seconds
This is just a starting point! We encourage you to experiment, taste, and adjust to find the recipe that you enjoy the most.
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Our espresso brew guide (single origin)
Brewing ratio calculator
Packaging and sustainability
- Bags: ABA-certified home compostable (AS 5810-2010)
- Labels: recyclable
- Valves (only on +250g bags): general waste
- Box and tape (online orders): recyclable
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Our packaging