All posts filed under experiment

Communicating roast color values

Tonino color meter

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. Read More

The Eureka E65 Super Jolly

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.

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The instant Nespresso experiment

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? Read More