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Grind Retention on Vario after cleaning.
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Discussions > Espresso > Grinders -... > Grind Retention...  
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brianl
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Joined: 1 Dec 2012
Posts: 501
Location: Chicago IL
Expertise: I love coffee

Espresso: Quick Mill Vetrano DB
Grinder: HG One, OE Lido 2, Baratza...
Drip: Chemex/V60
Roaster: Behmor 1600
Posted Thu May 30, 2013, 3:22pm
Subject: Grind Retention on Vario after cleaning.
 

So I used some compressed air to clean the grounds out of the vario and now i'm looking at getting 14g out when i put in 16g (this is after i tap the machine to get the loose grounds). In the past, I would put 16.2 in and get 16.10 out.

First, am I supposed to clean the chute this way?

Second, what is the best way to 'fill the gaps' so to speak so I can get better grind retention results in the future? So far, its been like this over a week. I expected maybe the first couple times but still?

Third, should I be tapping the grinder like mentioned?

thanks for the help!
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D4F
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Joined: 15 Mar 2012
Posts: 2,022
Location: USA
Expertise: I like coffee

Espresso: Gaggia Classic PID
Grinder: Baratza Forte-AP
Posted Thu May 30, 2013, 4:24pm
Subject: Re: Grind Retention on Vario after cleaning.
 

Brian, any change in beans, roast, freezing, oiliness ...?  Is there much change in humidity?  I am just trying to think of factors affecting the grind but not the grinder to eliminate those.

 
D4F also at
http://www.gaggiausersgroup.com/
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brianl
Senior Member


Joined: 1 Dec 2012
Posts: 501
Location: Chicago IL
Expertise: I love coffee

Espresso: Quick Mill Vetrano DB
Grinder: HG One, OE Lido 2, Baratza...
Drip: Chemex/V60
Roaster: Behmor 1600
Posted Thu May 30, 2013, 6:53pm
Subject: Re: Grind Retention on Vario after cleaning.
 

It's humid now, but the grind retention issues started when it was slightly chilly.

I always change beans but so far its been two different roasts with this happening. I normally stick to the full city.

Im just trying to find out a way to get it back to how it is. I feel like i might be missing something obvious.
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greekespresso
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greekespresso
Joined: 27 Jul 2011
Posts: 176
Location: Ptolemaida, Greece
Expertise: I love coffee

Espresso: Rancilio Silvia V3, Gaggia...
Grinder: Mahlkönig Vario Home, Anfim...
Posted Fri May 31, 2013, 1:23am
Subject: Re: Grind Retention on Vario after cleaning.
 

With my Vario I had similar behavior with only two or three types of coffee beans (specialty grade from Costa Rica). In all these cases I had to go very close to the limits of the finer range (too light roast maybe?). So my short answer is that the high retention you observe is coffee dependent.
I should note here, that when a high level of retention was observed the excess of that coffee was expelled from the grinder at the next grinding session(s) (i.e putting 16g in and getting 17.5g out).

 
www.greekespresso.gr
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brianl
Senior Member


Joined: 1 Dec 2012
Posts: 501
Location: Chicago IL
Expertise: I love coffee

Espresso: Quick Mill Vetrano DB
Grinder: HG One, OE Lido 2, Baratza...
Drip: Chemex/V60
Roaster: Behmor 1600
Posted Fri May 31, 2013, 8:10am
Subject: Re: Grind Retention on Vario after cleaning.
 

I've been tinkering with it.

But as to an original question. Do you smack the machine at all? I sometimes tilt it a little and give it a slight smack to makesure all the beans fell in the chamber. Not sure if this hurts it or not.
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greekespresso
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greekespresso
Joined: 27 Jul 2011
Posts: 176
Location: Ptolemaida, Greece
Expertise: I love coffee

Espresso: Rancilio Silvia V3, Gaggia...
Grinder: Mahlkönig Vario Home, Anfim...
Posted Fri May 31, 2013, 9:22am
Subject: Re: Grind Retention on Vario after cleaning.
 

brianl Said:

...Do you smack the machine at all? I sometimes tilt it a little and give it a slight smack to makesure all the beans fell in the chamber. Not sure if this hurts it or not.

Posted May 31, 2013 link

I do not know if this action hurts the grinder but I personally don't do it.

 
www.greekespresso.gr
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