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New CC1 all crema
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Aquanin
Senior Member


Joined: 22 Feb 2014
Posts: 24
Location: Austin, TX
Expertise: I love coffee

Posted Sat Feb 22, 2014, 7:43am
Subject: New CC1 all crema
 

Hi everyone! So I just upgraded my Gaggia Evolution to a CC1. I already had a Vario, so I am good there.  I can't for the life of my get anything other than a sour under extracted shot with Redbird beans (1 week old)  I am keeping the dose constant at 18g and the shot time constant at 28 second.  So when I pull, regardless of grind, it seems the first thing that comes out is crema.  So I end up with almost all light colored crema and the shots are sour.  I even got it to pull a slow 1 oz in 28 seconds and it was still nasty.  Could something be wrong with my machine?
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CSME9
Senior Member
CSME9
Joined: 26 Feb 2004
Posts: 273
Location: West Texas
Expertise: I live coffee

Espresso: Isomac Tea, Rancilio Silvia,...
Grinder: Rancilio Rocky
Drip: Moka Pot
Roaster: BBQ Roaster
Posted Sat Feb 22, 2014, 8:26am
Subject: Re: New CC1 all crema
 

Sour usually means the brew temp is low, try raising the temp.
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Aquanin
Senior Member


Joined: 22 Feb 2014
Posts: 24
Location: Austin, TX
Expertise: I love coffee

Posted Sat Feb 22, 2014, 8:48am
Subject: Re: New CC1 all crema
 

Thanks, I'll try that too. Still not sure if it's sour or bitter. It's always hard to tell. All I know is it is undrinkable.
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CSME9
Senior Member
CSME9
Joined: 26 Feb 2004
Posts: 273
Location: West Texas
Expertise: I live coffee

Espresso: Isomac Tea, Rancilio Silvia,...
Grinder: Rancilio Rocky
Drip: Moka Pot
Roaster: BBQ Roaster
Posted Sat Feb 22, 2014, 9:39am
Subject: Re: New CC1 all crema
 

If it is a new machine, flush several tanks of water thru the machine/group to clear out any residue from the manufacturing process. Make sure you pull shots that are way too hot and pull shots that are way too cool on purpose and knowingly.  The hot shots should be bitter while the cool ones should be notably sour.
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,009
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Sat Feb 22, 2014, 9:53am
Subject: Re: New CC1 all crema
 

With fresh beans, it is pretty normal for the pull to all look like crema till it settles.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

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Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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bossman
Senior Member


Joined: 10 Dec 2013
Posts: 100
Location: Iowa
Expertise: I love coffee

Espresso: Mini Vivladi II
Grinder: Baratza Vario-W
Drip: Cuisinart
Roaster: Soon I hope
Posted Sat Feb 22, 2014, 9:54am
Subject: Re: New CC1 all crema
 

I will be following this thread with great interest, if UPS ever finds my CC1 I will be starting fresh as well.  I have a couple pounds of Fair Mountain and 5 pounds of Redline that will be here Monday.  Just curious what setting are you using on your Vario for the grind?
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Aquanin
Senior Member


Joined: 22 Feb 2014
Posts: 24
Location: Austin, TX
Expertise: I love coffee

Posted Sat Feb 22, 2014, 10:00am
Subject: Re: New CC1 all crema
 

It's more like what setting am I not using. :). I have used dozens of grind settings so far. Still bit making good shots yet.
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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,009
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Sat Feb 22, 2014, 11:02am
Subject: Re: New CC1 all crema
 

When it is all new you have to keep trying to get the hang of it.  I weighed things and slowly changed one thing at a time to learn what it did.  Take your time, you will get it.  Read espresso my espresso. All the articles are great.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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ericcomposer72
Senior Member


Joined: 16 Nov 2013
Posts: 56
Location: New York
Expertise: I love coffee

Espresso: Oscar, Silvia, Breville...
Grinder: Vario
Posted Sat Feb 22, 2014, 11:16am
Subject: Re: New CC1 all crema
 

I'm no expert, but perhaps dose much less and grind much finer?


Assuming you have a 14g double basket, 18g seems to be on the higher end of the dose...
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DeanOK
Senior Member
DeanOK
Joined: 24 Sep 2012
Posts: 647
Location: OK
Expertise: I like coffee

Espresso: QM Vetrano 2B
Grinder: Vario W
Posted Sat Feb 22, 2014, 11:36am
Subject: Re: New CC1 all crema
 

I used to have a CC1. I think I dosed 18 grams when I had it. Fresh coffee will look like solid crema in a clear shot glass until it rests a half minute or so. Fresh coffee can make volumes of crema and throw you off on yield consistency just by looking at the liquid volumetric quantity. I suggest you use your gram scale to measure the yield. Try to get 36 grams in 25-28 seconds from a 18 gram puck. if the shot is still sour, try changing the offset temperature. My CC1 was off significantly on temperature delivered to the puck even when I did a warming shot.  I improved the shot greatly by decreasing the offset to make the boiler temp warmer
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