Bottomless extraction help

Mhippo

New member
Feb 13, 2014
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I recently got a bottomless portafilter, and have consistently gotten a lot of spurting at the beginning, followed by a perfectly clean cone.

There is no visible channeling, when I remove the puck.

What else might I check to find the reason for the spurting?
 

John P

Active member
Jan 5, 2007
1,052
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Salt Lake City
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it's still related to channeling, usually from a distribution problem. If from edges, maybe tamp is not level or tamper does not fit basket properly.

But... it's most likely you need to improve your distribution.
 
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