xdavez Senior Member Joined: 21 Nov 2007 Posts: 521 Location: USA Expertise: Professional
Espresso: La Spaziale Vivaldi II Grinder: Mahlkoenig K 30es, Mazzer... Vac Pot: none Drip: Technivorm
Posted Tue May 13, 2008, 3:11pm Subject: A gentle reminder about technique:
With all the ink spent on dosing and clumping, etc., it is time to recall a VERY important part of proper technique as I was reminded at USBC 2008 in Minneapolis:
DRY the inside of the Portafilter basket BEFORE loading with coffee!
otherwise, channeling can result -- as the hot water pressure finds a shortcut through the areas of wetted coffee and escapes.
If you doubt this, watch videos of ANY professional barista competition.
( and it should be noted, they ALL use DOSER grinders!)
Posted Wed May 14, 2008, 10:22am Subject: Re: A gentle reminder about technique:
not only is it important to dry the basket, but it is also important to use a clean towel. you can make it dry but leave behind some coffee residue or oils. but a nice clean towel will dry it as well as clean it.
Posted Thu May 15, 2008, 12:00pm Subject: Re: A gentle reminder about technique:
Thanks for the tip. I haven't even thought about drying the basket in spite of being annoyed with the grounds sticking to the upper sides of the basket. Just in time for my afternoon espresso.
wideasleep1 Senior Member Joined: 19 Feb 2005 Posts: 524 Location: Sausalito,Ca Expertise: I live coffee
Espresso: VBMDoubleDomo Grinder: Mazzer Mini Vac Pot: nope Drip: Bodum Press Roaster: IR1 and 2,SC/TO,Behmor
Posted Fri May 16, 2008, 1:10am Subject: Re: A gentle reminder about technique:
Since we're on a roll...
Don't simply rely on a quick visual after a dry towel sweep, either...hold the pf up to a light and examine the holes in the basket, making sure none are plugged with grind flakes, which will affect your pull if you don't use an old toothbrush or similar to clean the basket properly. :)
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