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espresso coming out SOUR!
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Discussions > Espresso > Q and A > espresso coming...  
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frank828
Senior Member


Joined: 23 Feb 2011
Posts: 581
Location: Los Angeles
Expertise: Professional

Espresso: GS3
Grinder: RoburE, Kenia
Vac Pot: Hario
Drip: Brazen, CCD, Aeropress, V60,...
Roaster: Behmor, Air Crazy
Posted Thu Oct 18, 2012, 12:10am
Subject: Re: espresso coming out SOUR!
 

i personally would want my extraction slower, at least for the beans that i use.  You may need to grind coarser.  Might be able to use the same setting.  I guess you'd have to figure that out.

btw check this out if you havent seen it.  I think it's a GREAT resource for taste and adjusting the grind.      
Click Here (www.home-barista.com)
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frank828
Senior Member


Joined: 23 Feb 2011
Posts: 581
Location: Los Angeles
Expertise: Professional

Espresso: GS3
Grinder: RoburE, Kenia
Vac Pot: Hario
Drip: Brazen, CCD, Aeropress, V60,...
Roaster: Behmor, Air Crazy
Posted Thu Oct 18, 2012, 12:13am
Subject: Re: espresso coming out SOUR!
 

jttran28 Said:

I'll try the tap technique. More coffee, coarser the grind?

How do I know when the pull is ready to be stopped? Color of the coffee coming out of the pf?

Posted October 18, 2012 link

as far as when i stop my extraction, i go by weight(a good 0.1g pocket scale is a great investment).  

I know that generally people recommend stopping when the shot begins to blonde.
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jwoodyu
Senior Member
jwoodyu
Joined: 31 Dec 2010
Posts: 847
Location: Michigan
Expertise: I live coffee

Espresso: Allex Duetto II
Grinder: Mazzer Major
Posted Thu Oct 18, 2012, 4:39am
Subject: Re: espresso coming out SOUR!
 

Sorry i lost contact with the thread but my earlier post i mentioned for 12grams of ground coffee cut your shot at about 24 grams of yield. Getting away from the single basket is just the best idea for now then read his thread Click Here (www.home-barista.com) when you can and bookmark it. Here is another one to bookmark Click Here (www.home-barista.com) I only watched the first several seconds of the video and stopped it get some fresh beans or your going to spend time chasing your tail. There are so many factors to consider but sour makes me think low brew temp if that is indeed what your tasting.

 
Yes i have a reason for leaving SCG off my list, yes it is my opinion, yes it is subjective as opinions are by definition, no don't start a flame war because you disagree.
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CMIN
Senior Member


Joined: 14 Jun 2012
Posts: 1,362
Location: South FL
Expertise: I like coffee

Espresso: Crossland CC1
Grinder: Baratza Preciso
Posted Thu Oct 18, 2012, 6:22am
Subject: Re: espresso coming out SOUR!
 

jttran28 Said:

so what I do is i mound the basket with coffee and I level with my finger without putting any pressure while leveling it.  If I do put pressure, then it gets too close to the group head.  There has to be something wrong.  Why can't I fit more than 12g?  Im fairly certain this is the double basket I received.

Here is a video.  Please pardon the poor production.:

http://www.youtube.com/watch?v=M-773Bb3e8U&feature=plcp
Beans a bit finer here: http://www.youtube.com/watch?v=rmc-wndljO0

Posted October 17, 2012 link

Those shots came out fast, those beans your using are just not good, Peets has never been known for good coffee. Your grinding fine and getting gushers = stale. I use pre-infusion on the CC1 at 2 seconds and 4 second dwell, but even without preinfusion there's a good 4-5 seconds before drips start (except when I've had to grab stale Starbucks as an emergency if an order hadn't come in yet). But also still not sure how your confusing the baskets. You should have the blind basket for back flushing, then the "deeper" double basket, and the more "shallow" single basket... not sure how your confusing the 3 lol? Hard to tell from the video which basket it was. There's just no way your only getting 12G into the double, that wouldn't even tamp right most likely as the CC1 baskets slightly taper towards the bottom. I just ground 17.5G no problem into the double.

You need to use the double basket, at least 14g, I prefer 16-18, and fresh beans... you can get everything else right but without fresh roasted beans your going to keep getting gushers.
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frcn
Senior Member
frcn
Joined: 23 Dec 2001
Posts: 3,386
Location: Northern California
Expertise: Professional

Espresso: Vibiemme Domobar Double
Grinder: Mazzer Kony, Baratza...
Vac Pot: Hario, 2 Cory pots, 1 Cory...
Drip: Behmor Brazen, Bunn A10 mod...
Roaster: computer controlled Hottop,...
Posted Thu Oct 18, 2012, 7:22am
Subject: Re: espresso coming out SOUR!
 

On my website www.EspressoMyEspresso.com, check out this article: 12 - EASY GUIDE TO BETTER ESPRESSO AT HOME

 
Visit My Website
www.EspressoMyEspresso.com
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jttran28
Senior Member


Joined: 30 Jul 2012
Posts: 38
Location: San Jose, CA
Expertise: I love coffee

Espresso: Crossland CC1
Grinder: Compak k3
Posted Thu Oct 18, 2012, 7:57am
Subject: Re: espresso coming out SOUR!
 

Here is a picture of three baskets, the blind, single and double.  That is the double I've been using where I can only fit 12g before I have to force more coffee into it.  

Heck, maybe my scale doesnt work hah!

jttran28: 3.jpg
(Click for larger image)
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frcn
Senior Member
frcn
Joined: 23 Dec 2001
Posts: 3,386
Location: Northern California
Expertise: Professional

Espresso: Vibiemme Domobar Double
Grinder: Mazzer Kony, Baratza...
Vac Pot: Hario, 2 Cory pots, 1 Cory...
Drip: Behmor Brazen, Bunn A10 mod...
Roaster: computer controlled Hottop,...
Posted Thu Oct 18, 2012, 8:09am
Subject: Re: espresso coming out SOUR!
 

Those are 58mm baskets and the double looks to hold enough that I would say it is definitely time for a new scale. For now, just grind, fill and level off without compressing the coffee, then tamp.

 
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jttran28
Senior Member


Joined: 30 Jul 2012
Posts: 38
Location: San Jose, CA
Expertise: I love coffee

Espresso: Crossland CC1
Grinder: Compak k3
Posted Thu Oct 18, 2012, 8:31am
Subject: Re: espresso coming out SOUR!
 

frcn Said:

Those are 58mm baskets and the double looks to hold enough that I would say it is definitely time for a new scale. For now, just grind, fill and level off without compressing the coffee, then tamp.

Posted October 18, 2012 link

Thats what I've been doing.  Im going to order fresh beans right now!
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jttran28
Senior Member


Joined: 30 Jul 2012
Posts: 38
Location: San Jose, CA
Expertise: I love coffee

Espresso: Crossland CC1
Grinder: Compak k3
Posted Thu Oct 18, 2012, 3:19pm
Subject: Re: espresso coming out SOUR!
 

frank828 Said:

try giving the portafilter a few little taps on the counter to settle the grinds.   This will give you more room in the basket.  For now, i will dose about 1/3 and then give it a few taps to somewhat level out, the other 1/3, tap again, the rest, and tap again.  I'll then nutate to even things out and then tamp.  I have no problem fitting 18+ grams into a standard double basket.  After the shot, if you see an indent of the the screen screw, dont sweat it as long as it tastes good.

i'd suggest getting more coffee into the basket and trying to use the same parameters.  Keep in mind, you're probably gonna need to adjust your grind with more coffee in the basket.

btw, i personally prefer the taste of a ristretto.  my shots run much longer and output far less.

Posted October 17, 2012 link

That was the trick.  With tapping, I was able to get about 15.5g.  Thats plenty more than what I had before.  Now I'm going to be getting coffee from a local shop tonight so wish me luck.
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jttran28
Senior Member


Joined: 30 Jul 2012
Posts: 38
Location: San Jose, CA
Expertise: I love coffee

Espresso: Crossland CC1
Grinder: Compak k3
Posted Thu Oct 18, 2012, 11:13pm
Subject: Re: espresso coming out SOUR!
 

frank828 Said:

and definitely get yourself some better coffee.  you're in san jose!  no reason not to get excellent roasts up there.

Posted October 17, 2012 link

Finally made it to a local roaster, keystone.  I now have coffee that is 1 day old.  Pulled the shot with about 16g and boy does it taste good.  I also cleaned out my grinder and brew head. All is well now and I can finally enjoy y espressos again. Thanks for all the pointers!
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