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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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networkcrasher
Senior Member
networkcrasher
Joined: 6 Jan 2008
Posts: 335
Location: Atlanta
Expertise: I love coffee

Espresso: GS3
Grinder: Nino, M3, SJ, Rocky
Vac Pot: GCBC Yama
Drip: Technivorm
Roaster: Hot Top, Behmor, SC/TO
Posted Mon Mar 21, 2011, 9:43am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

I would assume a teflon coated PF.

http://www.portaflon.com/
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DonSt
Senior Member
DonSt
Joined: 1 Nov 2007
Posts: 80
Location: Sacramento, CA

Espresso: La Marzocco GS/3
Grinder: Vario
Roaster: Temple Coffee
Posted Tue Mar 22, 2011, 5:58pm
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

Anybody with a GS/3 get a good hard puck out of their GS/3?  When using my La Pavoni lever, I get nice neat hard pucks.
With the GS/3, I get great tasting shots, but my pucks are sorta mushy and sometimes bits fly across the counter when I slam the portafilter on the knockbox.
I know that taste is more important than puck condition, but I'm just wondering if there is something that I am missing.

-don
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Theodore
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Joined: 29 Dec 2006
Posts: 63
Location: Athens Greece.
Expertise: I love coffee

Espresso: Reneka Techno
Grinder: Elektra Nino,Macap CPS...
Drip: Krups.
Roaster: Gene Cafe roaster.
Posted Wed Mar 23, 2011, 4:40am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

Do you know if these portaflon pfs,are good enough,for the Euros 400.00,they ask for them?
Regards,
Theodore.
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JonR10
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JonR10
Joined: 26 Apr 2004
Posts: 10,376
Location: Houston, Texas
Expertise: I love coffee

Espresso: E61 Legend, Livietta,...
Grinder: Robur, B-Vario-W
Vac Pot: Hario Tabletop, Yama...
Drip: Technivorm
Roaster: 1-lb US Roaster, Behmor 1600
Posted Wed Mar 23, 2011, 6:18am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

DonSt Said:

Anybody with a GS/3 get a good hard puck out of their GS/3?

Posted March 22, 2011 link

Yes, my pucks are generally (almost always) firm and solid.  

I believe this to be a finction function of headspace.  If you use more coffee in the basket then the puck will be more solid.  My grind is set so that a 20g dose works well for a double basket, and I typically use between 19g and 21g for a shot depending on the coffee.  

Because I tend to use such a high dose, the puck expands into the shower screen leaving a clear impression on the surface of the puck.  It also knocks out whole and fairly dry.

 
Jon Rosenthal
Houston, TX
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JVBorella
Senior Member
JVBorella
Joined: 29 Oct 2007
Posts: 1,166
Location: northeastern CT.
Expertise: I live coffee

Espresso: Speedster, Strega, Cremina
Grinder: K10 WBC, Bunnzilla
Vac Pot: Hario NCA 3 & 5, Mitzudash
Drip: Hario Wooden Neck/Buono
Roaster: Hottop KN-8828P/B
Posted Wed Mar 23, 2011, 6:25am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

Theodore Said:

Do you know if these portaflon pfs,are good enough,for the Euros 400.00,they ask for them?
Regards,
Theodore.

Posted March 23, 2011 link

Considering the price this might be a better choice if it fits:
Click Here (www.coffeehit.co.uk)

The standard p/fs that come with the Speedster are Teflon coated but I only use the optional bottomless p/fs so I can't offer any feedback except to say I wouldn't spend 400E on one.

 
John
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shadowfax
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shadowfax
Joined: 20 Jan 2005
Posts: 779
Location: Houston, TX
Expertise: I love coffee

Espresso: La Marzocco Shot Brewer
Grinder: Compak K10
Posted Wed Mar 23, 2011, 6:56am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

In any case, the portafilters from the Speedster that I have seen and used (The one John has now) are only teflon-coated in the bowl of the portafilter, not the spout, meaning that the most difficult thing to clean is still the same chromed metal, made more difficult to effectively clean by the fact that you're not really supposed to put the teflon-coated portafilter in the cleaner bath necessary to properly clean the spout.

The CoffeeHit teflon-coated portafilters are made, as I understand from James Hoffman and others who have discussed them, have coated spouts so you aren't stuck with this conundrum.

Another option, if you have a 58mm La Marzocco compatible group, is to wait till La Marzocco makes their all-stainless-steel portafilters available. These are certain to be far, far more rugged and long-lasting than a teflon coating, though certainly will need more cleaning. The guys I have talked to that use them (as of right now I believe they are only available with the Strada espresso machine) say they're a big step up from chromed brass in terms of cleanliness, but I can't imagine they're as convenient as teflon. Anyway, I understand these are going to be made available for purchase around the time of SCAA at the end of April. Not sure about Europe, though. Maybe you can already get them there for all I know.
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JimWright
Senior Member


Joined: 17 Jan 2006
Posts: 252
Location: SF Bay Area, CA

Espresso: LM GS/3, Estro Profi
Grinder: Macap M7KR
Vac Pot: Yama
Drip: Other: Eva Solo, Press Pot
Posted Wed Mar 23, 2011, 7:03am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

They'll probably make them available as a kit with the new high precision filters, which they said at Out of the Box were also supposed to be available in a Spring timeframe.  BTW, how the heck are people cleaning the inside of the spout anyway?  After repeated soaking in Puro Caff and what seemed like at 30 minutes with Q tips only having really cleaned a center channel, I gave up last week...
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shadowfax
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shadowfax
Joined: 20 Jan 2005
Posts: 779
Location: Houston, TX
Expertise: I love coffee

Espresso: La Marzocco Shot Brewer
Grinder: Compak K10
Posted Wed Mar 23, 2011, 7:23am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

There's a little screw you can take out of the "back" of the spout on the La Marzocco (newer) spouts. I take this out periodically and use a steam wand brush to clean out the interior of the spout. The only 100% way to clean is full disassembly, but I find  just pulling that screw out for interior access is close enough. I don't think that a Q-tip is 'abrasive' or stiff enough to scrape the deposits off, I'd definitely recommend something with nylon or similar bristles.

Prevention is the biggest thing for me. When I use a spouted portafilter (lately I have been using mine a lot, too, for shot-splitting!), I will rinse it very thoroughly immediately after knocking out the puck (edit: and yes, I knock out the puck ASAP after pulling the shot). This avoids most of the issue of buildup in the spout for me.
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JimWright
Senior Member


Joined: 17 Jan 2006
Posts: 252
Location: SF Bay Area, CA

Espresso: LM GS/3, Estro Profi
Grinder: Macap M7KR
Vac Pot: Yama
Drip: Other: Eva Solo, Press Pot
Posted Wed Mar 23, 2011, 7:33am
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

Yeah, my double spout has one, but my single spout does not have the removal screw unfortunately.
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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, 5:23pm
Subject: Re: The La Marzocco GS/3 Owners' Thread
 

My new GS/3 arrived today and I'm very excited.  I've spent the last 3 hours getting it set up and I have a few questions I hope you'll be kind enough to answer:

  1.  I programmed the boiler temp to 200.2 but the temp on the display reads 197.6 after 2 hours.   Is that okay?  Which should I believe?
  2.  The steam temp came set to 259.8.  Is that a good number?
  3.  How long should each backflush cycle go?  I'm guessing until the pressure gauge says 12.  Is that right?
  4.  Setting the volumetric dosing is proving difficult.  I thought by actually running a shot while calibrating, I'd consistently get that quantity in use.  I found the resulting shots to be considerably bigger than I programmed.  What's the trick?

Thanks for your help!
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