The Barista and Technology ABC

FAQ 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 Cold Brew Kaffee 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
Erfahre alles über Cold Brew Kaffee und wie Du ihn genießt!

Erfahre alles über Cold Brew Kaffee und wie Du ihn genießt!

Du hast bestimmt schon von Cold Brew Kaffee gehört, aber weißt nicht genau, was ihn so besonders macht? In diesem Artikel erfährst du, wie diese Zubereitungsart funktioniert und warum sie immer mehr Kaffeeliebhaber begeistert.

Was ist die PID-Temperatursteuerung, benötige ich die wirklich?

What is PID temperature control, do I really need it?

Temperature control in coffee machines is one of the key factors for the quality of an espresso. Even a few degrees Celsius difference can noticeably alter the taste. Here's why PID control makes all the difference.
Reparaturtipp: Siebträger baut nicht ausreichend Druck auf

Repair tip: Portafilter does not build up sufficient pressure

Typical pressure problems with portafilter machines can be due to various factors if your portafilter machine does not build up any pressure or does not build up enough pressure.

Der perfekte Milchschaum – Tipps & Tricks für cremigen Kaffee-Genuss

The perfect milk foam – tips & tricks for creamy coffee enjoyment

Make milk foam like a barista Perfect milk foam is what makes a cappuccino, latte macchiato or flat white really special. It should be creamy, fine-pored and stable in order...
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.
Finde die perfekte Espressomühle - Darauf solltest Du achten!

Find the perfect espresso grinder - what you should pay attention to!

This is what you should pay attention to when choosing your espresso grinder! One of the 5M rules stands for the correct grinding of coffee - after selection and roasting, another important point that determines the quality of a cup of espresso.
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!
So stellst Du den optimale Mahlgrad Deiner Kaffeemühle ein

How to set the optimal grinding level of your coffee grinder

Fine, medium, coarse – which setting is the right one? The ultimate guide to adjusting the grinding level of your coffee grinder.
Sanremo X-ONE Roadshow: Heiße Kaffeetechnik die jeden Cent wert ist

Sanremo X-ONE Roadshow: Hot coffee technology that is worth every cent

Sanremo X-ONE Roadshow: Hot coffee technology that is worth every cent.
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.
So tampst Du richtig - Wertvolle Tipps für die perfekte Kaffeezubereitung

How to tamp properly - valuable tips for the perfect coffee preparation

Why is tamping (compressing coffee) so important and what influence it has on the taste of the coffee.