Arne Preuss
Coffee ExpertHi! My name is Arne. After a few years as a barista, I've dedicated myself to a mission: To bring more good coffee to the people. To this end, my team and I provide you with a broad knowledge base on the subject of coffee.


25 June 2026
It's no secret that Brazil is the world's largest coffee producer by a large margin. And it's been that way [...]

20 June 2026
I’m thoroughly impressed with the Ninja Luxe Cafe series. Hence this guide to the best Ninja espresso machines. Although there [...]

18 June 2026
Located in East Africa, Eritrea is a small country with a big personality. And as with its neighbor, Ethiopia, there's [...]

14 May 2026
For years, I’ve been complaining: a fully automatic coffee machine with a built-in brew unit is impossible to clean properly! [...]

14 May 2026
I'm aware that many of you are on the lookout for the best self-cleaning coffee maker. But I have some [...]

25 April 2026
There can be little doubt that in countries with warm climates, coffee is best served chilled. While northerners call for [...]

20 April 2026
Rüdesheimer coffee is Germany’s answer to Irish Coffee. Instead of whiskey, this Hessian drink features Asbach Uralt – along with [...]

18 April 2026
Anyone wondering why coffee is so expensive should treat themselves to a coffee roastery visit and watch the professionals at [...]

18 April 2026
Here at Coffeeness, I'm always encouraging you to buy high-quality coffee beans from reputable coffee roasters. And thanks to the [...]