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.
What is channeling in coffee extraction?
If your coffee tastes sour, bitter, or simply unbalanced after extraction, this could be a sign of channeling. This article explains the reasons behind it.
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.
Portafilter machine: The perfect brewing pressure for a good espresso!
