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First shot in the morning is choked
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Discussions > Espresso > Machines > First shot in...  
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Markarian
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Markarian
Joined: 27 Jun 2012
Posts: 656
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
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Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Sat Mar 2, 2013, 11:45pm
Subject: First shot in the morning is choked
 

Another random question, but I've always noticed that my first shot in the morning seems to flow very slowly on a grinder setting that was fine the night before. Is it because of a cold PF? Just wondering.
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NobbyR
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NobbyR
Joined: 10 Jul 2011
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Location: Germany
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Espresso: Poccino Opus One, Ariete
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Posted Sun Mar 3, 2013, 3:12am
Subject: Re: First shot in the morning is choked
 

I wouldn't think so, but why do you use a cold PF? Don't you heat up your machine with the PF locked in place? The reason for the phenomenon you discribed might be that humidity is different in the morning.

 
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"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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Markarian
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Markarian
Joined: 27 Jun 2012
Posts: 656
Location: Seattle Area
Expertise: I love coffee

Espresso: ECM Technika IV Profi WT-WC
Grinder: Baratza Forte AP, HG One
Vac Pot: Bunn Trifecta MB
Drip: Moka, Aeropress, Hario V60
Roaster: Behmor 1600
Posted Sun Mar 3, 2013, 4:44am
Subject: Re: First shot in the morning is choked
 

I never bothered leaving the PF in place because 1) I rinse it in the sink with warm (but not hot enough) water in the sink between shots (pull 2-4 each morning) and 2) I'm terrified my roommates will accidentally run into it. Any ideas? Thanks!
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kboom1
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kboom1
Joined: 31 Aug 2009
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Location: Northeastern Pennsylvania
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Espresso: Alex2HX,Alex Duetto,Rancilio...
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Posted Sun Mar 3, 2013, 6:37am
Subject: Re: First shot in the morning is choked
 

when you empty your pf does the puck look expanded at all ? also how long are you preheating your machine ? maybe water temp not hot enough yet. Try pulling a blank shot instead of rinsing in sink. this should make the pf closer to temp.
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,021
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Sun Mar 3, 2013, 7:31am
Subject: Re: First shot in the morning is choked
 

Markarian Said:

I never bothered leaving the PF in place because 1) I rinse it in the sink with warm (but not hot enough) water in the sink between shots (pull 2-4 each morning) and 2) I'm terrified my roommates will accidentally run into it. Any ideas? Thanks!

Posted March 3, 2013 link

You could lock the PF into place, when the machine has heated up, and pull an empty shot to bring it to temperature.

 
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"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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germantownrob
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germantownrob
Joined: 2 Dec 2007
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Location: Philadelphia
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Espresso: Duetto 3, A Dead Oscar
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Roaster: Diedrich IR-1, HT B
Posted Sun Mar 3, 2013, 7:37am
Subject: Re: First shot in the morning is choked
 

Easy experiment. Turn machine on pull a shot, measure time, volume, and weight of liquid. Warm machine for 45 minutes at least with out the PF in and with the same grinder setting pull a shot and measure the time, volume, and weight. Now put PF in and let it warm for 10 min or so and test again. This should tell you the answer to your question on your equipment and your routine.

Not having the PF stabilized in temp to the machine means it is cooling the shots pulled from it to variable amounts. Having a PF locked in and stabilized, just like the group, will allow for the benefits of more precise temp managment. IMO it has nothing to do with flow rate just as a 195f shot flow the same as a 205f shot with same dose and grind but extraction changes.
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Coffeenoobie
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Coffeenoobie
Joined: 11 Dec 2011
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Location: PNW
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Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Sun Mar 3, 2013, 11:54am
Subject: Re: First shot in the morning is choked
 

If you don't want to store your Portafilter in place store it on top like I do most of the time.  Then at least it is warmed up a bit.  I used to warm up my naked all the time by running water through it before the water dance then drying it then water dance then pull shot.  Now I don't bother and I can't tell a difference and I don't see any choked shots in the morning. If I used a whole portafilter I would worry it would pull away the heat from the shot as it went through the spout but because I use naked I am not all that concerned.  If I were you, I would try the blind basket first thing to see if that changes things.   That would more than heat the group head.

 
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