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Old 01-17-2008, 02:22 PM   #1
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Default Guinness surger

So idk if any of you have seen these at bars or in the UK, but Guinness has this thing called a surger, which as far as i understand, re carbonates flat beer, so i was wondering, since there are still CO2 molecules in uncarbonated hombrew if you could just use one of these to carbonate it? Thoughts and comments...

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Old 01-17-2008, 03:11 PM   #2
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the surger is not "carbonating" the beer, it is releasing the air in the beer to create the famous guinness head...I work for a distributor of guinness (among other imports) in NW Indiana and we dont sell them in great volume, I believe they are mostly for bars who don't want the trouble of setting up a draft system...

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Old 01-17-2008, 03:16 PM   #3
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Hmm...see the explanation i heard was that it sent electro magnetic waves at the frequency of the co2 and nitrogen when would re-awaken them or something...

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Old 01-17-2008, 04:12 PM   #4
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what? electro-magnetic waves? CO2 and nitrogen are not metals..they wouldn't be affected by magnetic fields.

someone was feeding you lies.

I'm guessing the surger is like a stout faucet that'd be used with beer gas?

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Old 01-17-2008, 04:17 PM   #5
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Quote:
Originally Posted by malkore
what? electro-magnetic waves? CO2 and nitrogen are not metals..they wouldn't be affected by magnetic fields.

someone was feeding you lies.

I'm guessing the surger is like a stout faucet that'd be used with beer gas?
Must be for the high iron count... j/k...
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Old 01-17-2008, 04:21 PM   #6
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Its ultra-sonics.

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The surger is a plate-like electrical device meant for the home. It sends ultrasonic waves through a Guinness-filled pint glass to recreate the beer's "surge and settle" effect. The device works in conjunction with special cans of surger-ready Guinness. Guinness tried out a primitive version of this system in 1977 in New York.
Which does make some sense I suppose.

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Old 01-17-2008, 04:31 PM   #7
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Quote:
Originally Posted by HP_Lovecraft
Its ultra-sonics.



Which does make some sense I suppose.

nick
Over on YouTube there's a number of videos. It certainly look like its an ultrasonic plate that simply shakes the brew rapidly and releases the suspended gas to create a nice head.

ETA:
Or we can simply check with the source Which states:
"Seeing is believing

It's really rather clever, if we do say so ourselves! To create the GUINNESS® Draught magic, slowly pour the special GUINNESS® Draught SURGER® beer into your pint glass, place it on the SURGER® and press the button. The SURGER® sends ultrasonic sound through the beer activating that instant rush of GUINNESS® magic, creating a rich black body with a tight white creamy head. "
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Old 01-17-2008, 04:44 PM   #8
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yeah ultra-sonic, i had a brain fart there, that's how it was explained...

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Old 01-17-2008, 04:53 PM   #9
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Quote:
Originally Posted by RockfordWhite
yeah ultra-sonic, i had a brain fart there, that's how it was explained...
That makes sense. The vibrations do the same thing as a stout facet with draft beer. It causes the CO2 to come out of solution and create that great creamy head. It does not add the CO2 to the beer. It might be something worth trying with home brew stouts and other styles that work well on a stout facet with beer gas.
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Old 01-17-2008, 06:46 PM   #10
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Quote:
Originally Posted by malkore
what? electro-magnetic waves? CO2 and nitrogen are not metals..they wouldn't be affected by magnetic fields.

someone was feeding you lies.

I'm guessing the surger is like a stout faucet that'd be used with beer gas?
Actually, (for the sake of being a smart ass), carbon, nitrogren, and hydrogen are affected by magnets. I won't go into it anymuch deeper than that, as it's not the technology for the surger and relevant to this discussion

I study this for a living with this guy:

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