I have been playing with my cotton filter and hand grinder for , approximately, 1.5 years. At first, things went well, lovely aftertaste, aroma and etc. Then suddenly one day all the good things disappeared. Yeah in one single day!

I thought it was the beans so I talked to my roaster whether the sudden change is related to the beans or not. For sure the beans were fine because some casual cuppings were done and the cups were absolutely tasty.

We then came to a conclusion that it could… Continue