Intrepid510 Senior Member Joined: 30 Dec 2010 Posts: 356 Location: California Expertise: I love coffee
Posted Mon Jun 3, 2013, 11:36am Subject: Re: Preciso grinds too slowly
As a point of information, this grinder wasn't meant for 1 minute of continuous grinding. If you don't get 16 grams in 10 seconds or less (espresso grind) something is going on. I have a suspicion that some of these problems come from trying to adjust the grinder finer without running the grinder (with beans in the hopper.) This should NEVER be done. The result is often beans stuck between the burrs, causing a clogging, and possibly worse.
CMIN Senior Member Joined: 14 Jun 2012 Posts: 1,584 Location: South FL Expertise: I like coffee
Espresso: CC1 Grinder: Baratza
Posted Mon Jun 3, 2013, 12:31pm Subject: Re: Preciso grinds too slowly
CMIN: I usually use beans designated as "dark roast" or "espresso," from a grocery store, just because I like the stronger flavor. So I'll either have to just clean out the grinder more often, or try alternating with a light roast; maybe that'll do some cleaning out in the process.
Thats pry your problem right there, 1) anything bought at a grocery store is generally charred/oily, and 2) stale... just gunk your grinders up. You have to get fresh roasted beans especially for espresso. That flavor your liking reminds me of folks who like Starbucks, they interpret that burnt log charcoal taste as "coffee" when all their tasting is the burnt roast. Can't pull shots with beans like that.
Get some fresh roasted beans and you'll see a night and day difference, a true roasters dark roast is completely different then "dark roast" carried in grocery stores etc. You get that deeper taste with way better flavor since the roast isn't burnt.
donner Senior Member Joined: 17 Apr 2013 Posts: 34 Location: Canada Expertise: I like coffee
Posted Mon Jun 3, 2013, 10:50pm Subject: Re: Preciso grinds too slowly
For espresso, I try to stay away from oily and very dark beans- those often are over-roasted. Some of the nicest roasted beans we have tried have been medium brown in color and not oily at all. We use a Vario-W grinder and have had no problems with it gumming up or grinding too slowly.
if you grind a couple handfull of rice you are sure that burrs are clean and that should solve the problem, if still does not grind then it is time to change burrs. in fact the rice trick should be in all grinders instruction booklets. <<<<<<<<<<<ciao, Pietro
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