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.

All 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
Offset - Die richtige Temperatur Einstellung eines Siebträgers

Offset - The correct temperature setting of a portafilter

Temperature stability plays a crucial role in the preparation of espresso and ensures optimal extraction. In this article, we will show you why adjusting the offset setting is not always useful or necessary.
Generalüberholung - Ein neues Leben für Deine Siebträgermaschine

General overhaul - A new life for your portafilter machine

What should you do if the portafilter machine no longer works properly? Buying a new one can be expensive. Here's an insight!
Siebträgermaschine: Der perfekte Brühdruck für einen guten Espresso!

Portafilter machine: The perfect brewing pressure for a good espresso!

Espresso is a complex and demanding way of brewing coffee. What influence does the portafilter machine have on the perfect brewing pressure!
Was darf es denn sein - Kupfer- oder Edelstahlkessel?

What would you like – a copper or stainless steel kettle?

Copper boiler vs. stainless steel boiler: portafilter - what's important? Find out here the special features of copper or stainless steel boilers and our conclusion.
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.