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The La Marzocco GS/3 Owners' Thread
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Discussions > Espresso > Machines > The La Marzocco...  
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DanH
Senior Member


Joined: 3 May 2011
Posts: 130
Location: Bay Area, CA
Expertise: I like coffee

Espresso: GS/3
Grinder: K10 Fresh
Drip: Trifecta MB
Roaster: Quest M3
Posted Mon May 16, 2011, 8:35pm
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

I've had a chance to do a little more research and answered my first two questions.  When you set the brew temp you need to add to the target temp the value of temperature offset.  In my case the offset is set to 2.9 so I set my target to 202.9 and viola, temp at the brew head is 200.  As for the steam, a setting of 259.8 yields 1.5 bars of steam pressure.

As for calibrating volumetric dosing everything I've read leads me to believe that my approach of calibrating while running a real shot is the way to go but I'm getting inconsistent results.  Maybe it will work better for me tomorrow.  I have to step away from the coffee now or I'll never sleep tonight.
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laservet
Senior Member
laservet
Joined: 12 Jun 2003
Posts: 241
Location: Williamsburg
Expertise: I love coffee

Espresso: La Marzocco GS/3
Grinder: Versalab M3, Mazzer Mini
Vac Pot: Zojirushi
Drip: Bunn SmartWave APS, Bodum...
Posted Tue May 17, 2011, 8:05am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

dsm363 Said:

I have the no-burn steam wand as well.  So the Txpresso Sproline GS3 Steam Tip is recommended for the GS/3 over the Txpresso Sproline Foam Knife 1 Steam Tip?  I assume that's why they call it GS3 steam tip but thought I'd check before I spend the $70.  Thanks.

Posted February 24, 2011 link

Save your money. I used the Sproline GS3 tip for over a month and even using a much larger pitcher and a much larger volume of milk, the best I could get was soap suds. EPNW's four small hole tip is much better at a fraction of the cost. Last time I looked they had removed the Sproline GS3 tip from their web site. Based on the performance of this tip I'd be leery of any of the foam knife tips for this machine.

 
If it ain't broke, fix it 'til it is.
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danetrainer
Senior Member


Joined: 30 Dec 2008
Posts: 62
Location: Oregon
Expertise: I love coffee

Espresso: GS3MP, CC1
Grinder: M7k, SJ, T80, KF804
Vac Pot: Yama
Drip: Clever
Roaster: Ambex YM2, Behmor
Posted Tue May 17, 2011, 1:04pm
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

The Foamknife 1 has been getting rave reviews on the GS3 by owners who have bought it...Just have to wait until it becomes available again.
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laservet
Senior Member
laservet
Joined: 12 Jun 2003
Posts: 241
Location: Williamsburg
Expertise: I love coffee

Espresso: La Marzocco GS/3
Grinder: Versalab M3, Mazzer Mini
Vac Pot: Zojirushi
Drip: Bunn SmartWave APS, Bodum...
Posted Wed May 18, 2011, 5:50am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

danetrainer Said:

The Foamknife 1 has been getting rave reviews on the GS3 by owners who have bought it...Just have to wait until it becomes available again.

Posted May 17, 2011 link

That may be a better choice since it blows downward instead of straight sideways like their GS3 tip. Having wasted $80 on that tip I'm leery of wasting a similar amount on the Foamknife 1. I await your impressions of the tip.

 
If it ain't broke, fix it 'til it is.
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danetrainer
Senior Member


Joined: 30 Dec 2008
Posts: 62
Location: Oregon
Expertise: I love coffee

Espresso: GS3MP, CC1
Grinder: M7k, SJ, T80, KF804
Vac Pot: Yama
Drip: Clever
Roaster: Ambex YM2, Behmor
Posted Wed May 18, 2011, 8:53pm
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

laservet Said:

I await your impressions of the tip.

Posted May 18, 2011 link

Sounds like it might be quite a while until they are available again...rep at EP said the manufacturing and future shipment is affected by the problems in Japan. I was going to suggest that you read the Marketplace thread on the Sproline products over on HB, but I see you posted your experience with the tip you bought.

I typically steam a very small quanity of milk in the smallest Cafelat pitcher...not at all possible with the stock tip, so I've ended up using a larger pitcher and 10-12 ozs of milk which creates a lot of waste.
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laservet
Senior Member
laservet
Joined: 12 Jun 2003
Posts: 241
Location: Williamsburg
Expertise: I love coffee

Espresso: La Marzocco GS/3
Grinder: Versalab M3, Mazzer Mini
Vac Pot: Zojirushi
Drip: Bunn SmartWave APS, Bodum...
Posted Thu May 19, 2011, 5:30am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

danetrainer Said:

Sounds like it might be quite a while until they are available again...rep at EP said the manufacturing and future shipment is affected by the problems in Japan. I was going to suggest that you read the Marketplace thread on the Sproline products over on HB, but I see you posted your experience with the tip you bought.

I typically steam a very small quanity of milk in the smallest Cafelat pitcher...not at all possible with the stock tip, so I've ended up using a larger pitcher and 10-12 ozs of milk which creates a lot of waste.

Posted May 18, 2011 link

I usually use 4 oz milk in a 12 oz Espro Toroid pitcher. The EP 4 small hole LM tip does a great job with the steam boiler temp reduced, beautiful microfoam. Impossible (for me) with the Sproline GS3 tip, blasted the milk onto the ceiling.

 
If it ain't broke, fix it 'til it is.
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GaryS
Senior Member


Joined: 9 Jan 2009
Posts: 5
Location: NYC
Expertise: I love coffee

Espresso: GS/3
Grinder: Compak K10 WBC
Drip: Technivorm
Posted Thu May 19, 2011, 6:44am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

I've used 3 hole, 4 hole etc. tips; have always had pretty decent results. Was skeptical of the foamknife (certainly for the price!) but figured, what the hell. It is truly a good product and what I especially like about it is that it makes steaming a small quantity of milk extremely easy. I highly recommend it.
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Panchoy
Senior Member
Panchoy
Joined: 4 Dec 2010
Posts: 4
Location: U.S.A.
Expertise: I love coffee

Espresso: La Marzocco GS/3
Posted Thu May 19, 2011, 4:45pm
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

DanH Said:

My new GS/3 arrived today and I'm very excited...

How long should each backflush cycle go?  I'm guessing until the pressure gauge says 12.  Is that right?
...

Posted May 16, 2011 link

Your new GS/3's firmware should have the "automatic backflush" feature.  With the machine "on" (i.e., ready to make coffee, but with the shower screen removed and with a blind portafilter), press "Function" (the fifth button) AND the first button concurrently (actually, press "function" a fraction of a second BEFORE pressing the first button).  The "feel" is analogous to what you do when you turn the machine off (pressing "function" and the sixth button).

Enjoy.
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DanH
Senior Member


Joined: 3 May 2011
Posts: 130
Location: Bay Area, CA
Expertise: I like coffee

Espresso: GS/3
Grinder: K10 Fresh
Drip: Trifecta MB
Roaster: Quest M3
Posted Fri May 20, 2011, 7:38am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

Panchoy Said:

Your new GS/3's firmware should have the "automatic backflush" feature.  With the machine "on" (i.e., ready to make coffee, but with the shower screen removed and with a blind portafilter), press "Function" (the fifth button) AND the first button concurrently (actually, press "function" a fraction of a second BEFORE pressing the first button).  The "feel" is analogous to what you do when you turn the machine off (pressing "function" and the sixth button).

Enjoy.

Posted May 19, 2011 link

How cool is that?  Thanks for the tip.  They should mention that that in the user guide.
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DanH
Senior Member


Joined: 3 May 2011
Posts: 130
Location: Bay Area, CA
Expertise: I like coffee

Espresso: GS/3
Grinder: K10 Fresh
Drip: Trifecta MB
Roaster: Quest M3
Posted Fri May 20, 2011, 11:16am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

Sorry for all the questions.  I know most of you have had your machines for a while but in my first week of ownership I'm having some teething issues.  Please bear with me!  

Current question: my portafilter has popped off mid-shot more than a few times.  I'm putting 20 grams in a VST 18g basket and giving it a pretty good cinching.  It's happened with the LM double basket too. Brew pressure is 9 bars.  I never had this problem before with my E61 machine.  Though the machine is only 5 days old I've pulled at least 100 shots so I figure the gasket is well seated.  Is this common with the GS/3?  Vince at VST said the portafilter or machine itself could be defective, but that strikes me as somewhat unlikely.  Any thoughts?
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