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Old 06-26-2007, 08:05 PM   #1
rjester
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Default Should I refill my CO2 tank

A friend gave me a 20# tank that he was using to fill paintball canisters. It still has some gas in it. He said that I would need to have it refilled if I was going to use it to dispense beer.

Does this sound right?

I just don't want to ruin my first kegging experience.

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Old 06-26-2007, 08:13 PM   #2
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What does your gage say you have remaining?

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Old 06-26-2007, 08:20 PM   #3
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If there's liquid in there, it doesn't really matter if it's completely full or only has a little bit left; the pressure will be identical, and it'll carb and serve beer identically, whether there's 20lbs or 2lbs in there. Where you run into issues is if the CO2 has run down to the point of it just being gas remaining (at which point it's almost dead and ought to be refilled).

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Old 06-26-2007, 08:29 PM   #4
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Quote:
Originally Posted by homebrewer_99
What does your gage say you have remaining?
I'm going to pick it up this week. I don't think he has a gauge on it, so I'm relying on what he is telling me. When I receive my regulator I see how much is left. He was saying that there was a different type of CO2 in the tank. I was only aware of one type.
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Old 06-26-2007, 08:35 PM   #5
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As long as he is using Co2 and not a mixture gas, then yes... Co2 is Co2 Some paintballers use a nitrogen mix, wich is great for a stout, but not so much on a hef or PA...

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Old 06-26-2007, 08:37 PM   #6
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Quote:
Originally Posted by Drunkensatyr
As long as he is using Co2 and not a mixture gas, then yes... Co2 is Co2 Some paintballers use a nitrogen mix, wich is great for a stout, but not so much on a hef or PA...
I will check with him, but I'm pretty sure that it is only CO2.

Thanks for the quick responses.
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Old 06-26-2007, 08:52 PM   #7
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http://www.theairbrushlady.net/co2101.htm
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Old 06-26-2007, 10:41 PM   #8
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there are always rumors floating about regarding "welding grade CO2, food service grade CO2, and medical grade CO2".

in speaking to places that actually fill CO2...they say there's no difference.
maybe 20 years ago they used lubricants in the machines that weren't safe for consumption...but nowadays I bet its all silicone lube and perfectly safe.

you should be able to find the Tare weight on the 20lb tank, which tells you the empty weight of the tank. put it on a scale and the excess weight tells you how much CO2 is left.

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Old 06-26-2007, 10:53 PM   #9
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Quote:
Originally Posted by abracadabra
From the name of that website, I was hoping for something else.
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Old 06-26-2007, 11:11 PM   #10
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My 20lb aluminum tank has a tare weight of 24.3lbs (that's empty weight). The tank now weighs 35lbs total so I have about 11 lbs left or about half the original fill left.

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