Recently the pump of my LM GS3 espresso machine broke. It was the second time the machine experienced this problem in a period of one year. The problem was quite substantial. The pump refused to run after pushing the brewing button. This brought me in a depressing situation. I wasn’t able to brew any espresso. The cause of the problem What was the cause of this problem? …
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An Afternoon at the Opera
Roemer Overdiep made a wonderful video of our visit, see it on Vimeo. [Text by Jan van der Weel and Frans Goddijn] The Sanremo “Opera” machine development used the input of an international array of baristas like John Gordon (New Zealand), Serif Basaran (Turkey), Sasa Sestic (Australia) and even Torpong Tantraporn from Thailand. This “dream machine” is new to The Netherlands so Maarten Meijer of …
Think Coffee Out of the Box
If coffee wouldn’t be such a challenge, we all wouldn’t be here. John Gordon Coffee has been around for many years but we are still struggling just to learn the basics about it. Consistent coffee roasting, grinding and brewing is quite a task and many aspects of the process are not properly understood and controlled. What we think we know today may be discarded tomorrow. …
Communicating roast color values
Many coffee roasters use roast color meters to monitor the quality and consistency of their roasts. Furthermore, calibrated roast color can be used for productive communication between roasters and coffee traders. For instance, a trader could provide a target roast color for a specific coffee. Also, coffee roasters around the world could share information about the roast color they find best for certain beans.
‘Following the Curves’ Roasting Insights from Joanna Alm
Joanna Joanna Alm, the Swedish roasting champion, gave an interesting talk at the Nordic Roaster Forum 2015. In her presentation ‘Following the Curves’ she presented the most fundamental theories that she build up as a roaster.
La Marzocco GS3 non vertical flow fix
My la Marzocco GS3 had problems with the flow from the brew head. This could be especially be seen after the shower screen was removed. The flow was non vertical with water going from left to right.
The Eureka E65 Super Jolly
A week ago I had troubles with my Eureka E65 grinder. No matter what I did, I was not happy with my espresso shots. I opened the machine and the burrs seemed to be a little dull. Should I buy new Eureka burrs? There was also another possibility.
The instant Nespresso experiment
Nespresso coffee extracts better on low end equipment than most high quality coffee in combination with high end brewing equipment. What’s going on? Is Nespresso adding instant coffee to the Nespresso cups to increase the extraction yield?
Custom made dosing funnel
An uneven distribution of grounds can lead to a bitter and sour espresso at the same time. This tool made by Tije de Jong helps distributing coffee grounds into the portafilter.