The Barista and Technology ABC

BLOG Coffee knowledge + news

Factors of good preparation and valuable barista knowledge from the world of coffee preparation - tips and tricks on technical backgrounds.

FAQ Coffee knowledge + Technology

Important knowledge and background information on coffee and machine technology


Just like wine or olive oil, there are a wide variety of coffee qualities when it comes to Arabica and Robusta beans. The location, the growing conditions and the care with which a coffee is grown, harvested, selected, dried and roasted determines whether it goes from "well, it wakes you up" to "wow, what a treat" - although we at HOC definitely prefer the great taste experience...

In this FAQ coffee blog, we would like to look at the coffee production process, the question of what are the best professional portafilter machines, which grinding level of a coffee grinder is the right one, why is cleaning a brewing group so important, what technical differences are there, which barista accessories are necessary and how do you prepare an optimal coffee.

Alles über Milch Barista-Tipps Brühgruppe Der richtige Brühdruck E61-Brühgruppe Enkalken Espresso Generalüberholung Highend Espressomühle Kaffee richtig mahlen Kaffee- und Espressomühle Kaffeebohnen Kaffeemaschine entkalken Kaffeemühle für Röster Kaffeemühle richtig einstellen Kaffeezubereitung Kalk Kessel- und Boiler Kupferkessel vs. Edelstahlkessel Mahlgrad Kaffee einstellen Milchschaum Nachhaltigkeit Offset Osmose Pflege- und Entkalkung Sanremo Espressomühle Sanremo X-One Siebträger Siebträger-Technik Single Origin So gelingt der perfekte Milchschaum Tampen Wartung- und Reparatur Wasser X-One Grinder
Warum ist das richtige Wasser beim Kaffee so wichtig?

Why is the right water so important for coffee?

Disturbing substances in the water can affect the taste, consistency and appearance of your coffee or tea.
Was sind Kaffeeblends und was macht sie so besonders?

What are coffee blends and what makes them so special?

Coffee blends vs. single origin coffee. Just like wine or olive oil, there are a wide variety of coffee qualities when it comes to Arabica and Robusta.
Kaffee richtig rösten - Röstlich Brothers die perfekte Verbindung

Roasting coffee properly - Röstlich Brothers the perfect combination

Sustainable and fair - Find out here how we and our partners at the "Coffee Brothers" roasting company get the best out of the espresso bean.
Reinigung der Siebträgermaschine - Arbeit die sich lohnt

Cleaning the portafilter machine - work that is worth it

Find out here why daily cleaning of a portafilter machine is not just a question of hygiene.
Die E61 Brühgruppe - Revolution der Espressomaschine

The E61 brewing group - revolution of the espresso machine

With the E61 model, Faema introduced several groundbreaking innovations in espresso machine technology.
Was sind Single Origin Espressobohnen und was macht sie so besonders?

What are single origin espresso beans and what makes them so special?

What does the term “single origin coffee” mean and what makes the espresso so special?