Been killing me to keep this under wraps, but for the last few weeks I, along with a few others here, have been testing out Option-O's upcoming 98mm Mizen burrs that they designed for their P100 and upcoming Lagom 01 grinders.

At first glance, the burrs look similar to...

I've only picked up this hobby about 5 years ago so maybe I'm missing something but who's buying $175 conventional tampers when you can get really good leveling tampers for under $50.

Is it like driving a manual car? It's more enjoyable if you're good at tamping straight?

Well, yes... it has... but I don't understand why...

I am doing a frame off restoration of an old Astoria 2 group machine and it has the normal dual pressure gauge. I am reassembling the machine, and ran it a bit to check for leaks and test the electronics. And I noticed that...

This was teased today on Option-O's Instagram. It looks massive! I'm really really hoping for a 120mm single doser!

Looks like we're getting a refreshed Linea Mini today! Refreshed design (reminds of Micra) with a new drip tray, shot timer, new two valve pre-infusion system, extended shot time (99s) and apparently comes with Micra's new portafilter as well.

Starting at € 4.150,00 (VAT...

Published yesterday in Nature Genetics

tl;dr: Arabica coffee plants came from Robusta and Eugeniodes a long time ago, and not through human intervention.

This work should help in developing future desirable varietals.

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29 minutes long;
- review of history for the first six minutes;
- 12:23-14:00 for why cone burrs should/must wobble, a.k.a., was James Hoffmann wrong in his Key review?

April 1, 2011 announcement of the Pharos: Pharos manual grinder by Orphan Espresso

Please let me know if you know more.

What are the two knobs on the water level gauge on the right used for?

I have an Iroast 2 that the top has cracked, and the chaff collector body has cracked. I put aluminum duct tape over the cracks, and it's been holding for a year. Anyway, I bought a Iroast 1st generation for parts, then today I found and bought another Iroast 2 for $30 so I...

Hello,

I've just received my shiny new VBM Domobar Jr Hx Digital. Lovely machine, visually.

Pulled a few shots to get it basically dialed in, so far so good. I wonder, though, how to think about the brew temperature setting. Is this calibrated to the boiler or the group, does...