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.