pstam Senior Member Joined: 27 Jan 2004 Posts: 2,341 Location: Beijing Expertise: Professional
Espresso: ECM, SAN MARCO, EURO 2000 Grinder: MAZZER Vac Pot: YES Drip: YES Roaster: YES, HOME STYLE
Posted Thu Mar 7, 2013, 11:08pm Subject: Re: New at grinding at home
Getting the perfect grind just takes a bit of trial and error. If the filter doesn't drain fast enough or the brew is bitter, you probably need to go coarser. If it drains too fast and the brew is more sour, go finer. Jim
That is it. I believe that it is the normal way of adjusting the grinder settings. But one thing is different for me. "If it drains too fast", the coffee brew will be tasted light, not strong enough, but not sour. Only for espresso, it can be sour for courser grinding, as I tasted and understood. For brew coffee, I suppose that one can change the water temperature gradually to find the best flavor while keeping the grinding size the same.
One more question, do you believe the grinding size should be changed according to the amount of coffee grounds? For 10 or 20 grams of coffee beans, do you use the same setting of coffee grinders?
Peter in Beijing ------------------- http://www.kaffa.cn/ ------------------- I am looking for the way and the place to extend our trainning courses.
Posted Fri Mar 8, 2013, 9:50am Subject: Re: New at grinding at home
I've actually been experimenting with adjusting grind size to batch size. When I brew in a Technivorm, I have to stop the brewing for a minute to let it drain. The funnel threatens to overflow. That's using what looks like a pretty coarse grind and around 65 grams of coffee. I haven't hit on the right batch size/grind size to let it brew unattended.
Posted Fri Mar 8, 2013, 5:03pm Subject: Re: New at grinding at home
Grinding a little finer for smaller batches may help, as long as you don't get a bitter brew. I need to experiment myself. I'm having to grind at a finer setting on this Virtuoso---concerned that it's not properly calibrated as should have been at the factory (purchased new!). I've read here where, for smaller batches, other Bonavita owners let water flow for 1 to 1 1/2 mins, manually turn off for 1 min or so, then turn back on to finish brewing. I'm surprised to hear a Technivorm would possibly overflow with that amount of coffee ground fairly coarse but I don't have any experience with that brewer (although VERY tempted to get one!).
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