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microfoam issue on synesso
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galacticmonk
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galacticmonk
Joined: 12 May 2008
Posts: 3
Location: Minneapolis
Expertise: Pro Barista

Espresso: Astra G.A.P.
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Posted Wed Oct 8, 2008, 10:48am
Subject: microfoam issue on synesso
 

hey geeks,

need some foam chemistry.  synesso 2 group, when steaming milk we can't get the microfoam we're used to.  started seeing 1-2 mm bubbles that won't pop or swirl out.  not a barista issue, tried another brand of milk & ruled that out.  steam temp set at 250, tried dropping to 240, then 252.  same results.

thoughts?

thanks.
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frcn
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frcn
Joined: 23 Dec 2001
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Espresso: Vibiemme Domobar Double
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Posted Wed Oct 8, 2008, 12:23pm
Subject: Re: microfoam issue on synesso
 

galacticmonk Said:

synesso 2 group, when steaming milk we can't get the microfoam we're used to..

Posted October 8, 2008 link

Is this a change in that machine's performance or a comparison to another machine?

If the Synesso changed, and the steam is powerful and relatively dry, then check the tip for obstructions or milk build u that could be changing the stem's flow.

If it is comparing to other machines, I have been there... Going from Silvia with a single-hole tip  to a VBM Domobar Super with a two hole tip was a real challenge when steaming. With the VBM I have to inject far less air for a far shorter time early on in the process. it took some time to adjust, but I am now pouring latte art with soymilk stretched on the VBM....

 
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Beezer
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Joined: 17 Oct 2006
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Espresso: Quickmill Anita
Grinder: La Cimbali Max Hybrid
Posted Wed Oct 8, 2008, 3:37pm
Subject: Re: microfoam issue on synesso
 

I have no experience with that machine, but it sounds like you need to inject less air in the stretching phase and focus on whirlpooling the milk.  Any large bubbles should be sucked into the milk and smoothed out by the whirlpool action.  As I understand it, big commercial machines require virtually no stretching at all.  Just place the tip of the wand just under the surface and let 'er rip.
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galacticmonk
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galacticmonk
Joined: 12 May 2008
Posts: 3
Location: Minneapolis
Expertise: Pro Barista

Espresso: Astra G.A.P.
Grinder: Conti / Mazzer
Drip: Pourover
Roaster: Hair Dryer
Posted Fri Oct 10, 2008, 3:38pm
Subject: Re: microfoam issue on synesso
 

def change in machine performance.  noticed some leaks around the steam arm seals & replaced the o-rings.  noticed some crud buildup when we took the arm apart.  going with possible obstruction for now.  interesting though--the goofy tiny bubbles seem like water bubbles & not milk.  might be another seal further back letting some moisture or excess condensation in the line.  will report back monday or when we get it resolved.

thanks for the thoughts.
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