Co2/Nitrogen mixtures

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Co2/Nitrogen mixtures

Postby beerdrinker » Thursday Jan 17, 2008 10:12 pm

Am expecting my kegs tomorrow :D was looking on the BOC site and they do mixtures of Co2/N Would you guys use just Co2 for pale ales and lagers or would the mixture be the go? gonna be heaps of beer being downed till i get the carbonation right :lol:
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Re: Co2/Nitrogen mixtures

Postby Paul » Friday Jan 18, 2008 7:26 am

co2 is fine. Use 3 metres of 5mm beer line to get a good pour with about 80-100kpa. To adjust the pour adjust the beer line length and not the pressure.
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Re: Co2/Nitrogen mixtures

Postby Kevnlis » Friday Jan 18, 2008 8:43 am

I suggest you start with 5 metres and remove some if it is too much. 5M seems to be the most common length for people to get a good pour at 100 kpa or so. DO not worry about the CO2/N mix unless you are doing Guinness and Real Ale.
Prost and happy brewing!

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Re: Co2/Nitrogen mixtures

Postby Paul » Friday Jan 18, 2008 9:44 am

5mm beer line has 5psi of resistance per metre. As the beer is kept at 15 psi to maintain carbonation divide this by 5psi and you get 3 metres of beer line for a balanced system. If you use 5 metres it will pour too slow.
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Re: Co2/Nitrogen mixtures

Postby rwh » Friday Jan 18, 2008 9:47 am

What, assuming that there's no head pressure in the line (i.e. that you pour at the same height as the disconnect)?
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Re: Co2/Nitrogen mixtures

Postby Kevnlis » Friday Jan 18, 2008 10:02 am

From what I have seen, everyone that has used 5M of line has had great results!

http://kegman.net/balance.html
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Re: Co2/Nitrogen mixtures

Postby drsmurto » Friday Jan 18, 2008 10:05 am

And lets not even get started about thermal gradients when you have some part of your beer line out of the fridge...... :lol:

Trial and error is the best way of working this out and its a lot of fun.

'Honey, I'm only drunk cos i have been trying to find the best pressure to pour a pint' :lol:
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Re: Co2/Nitrogen mixtures

Postby Paul » Friday Jan 18, 2008 10:25 am

As said earlier you shouldnt play with your reg to get your beer to pour right, play with the line length.

Have a read of this to get a better understanding of what you are trying to achieve:

http://www.micromatic.com/direct-draw-d ... d-121.html
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Re: Co2/Nitrogen mixtures

Postby beerdrinker » Friday Jan 18, 2008 7:40 pm

Just poured my first few helles outta the new keg,nicest homebrew ive ever had! on par with good imported!!! no homebrewy aftertaste just a great aftertaste and a flavour that has me drinking one after the other :D ive got the picnic tap and tube kit. Did the ross method and had my first beer a few minutes later :D
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Re: Co2/Nitrogen mixtures

Postby Ross » Friday Jan 18, 2008 8:29 pm

beerdrinker wrote:Just poured my first few helles outta the new keg,nicest homebrew ive ever had! on par with good imported!!! no homebrewy aftertaste just a great aftertaste and a flavour that has me drinking one after the other :D ive got the picnic tap and tube kit. Did the ross method and had my first beer a few minutes later :D


Nice one beerdrinker - i'm glad it all went well :)

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Re: Co2/Nitrogen mixtures

Postby beerdrinker » Friday Jan 18, 2008 8:34 pm

Thanks heaps Ross! Im loving the keg system,heres a pic of about my 7th beer :lol: Image
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Re: Co2/Nitrogen mixtures

Postby beerdrinker » Tuesday Jan 22, 2008 1:34 am

I need another keg already :lol:
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