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post #1 of 7 (permalink) Old 05-15-2009, 02:31 AM Thread Starter
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Home brewer's CO2

I am a home brewer and I have all the home brew equipment, including CO2 tanks and 5 gal corny kegs. I was thinking I cound put water in a keg and force carbonate it and then just release it from the keg under water for the plants. At just 13 psi the cO2 in solution is 3 volumes. In other word, one cubic foot of water would contain 3 cubic feet of CO2. I could inject as much CO2 as I need easily. Anybody done anything like this?

FYI, this is my first post.
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post #2 of 7 (permalink) Old 05-15-2009, 12:48 PM
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Why the step of carbonating water in a keg? Why not just hook one of your CO2 tanks to the aquarium? You can use a Y splitter and simply split CO2 in use to a needle valve to your aquarium.
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post #3 of 7 (permalink) Old 05-15-2009, 09:20 PM Thread Starter
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in the fridge

The cylinder stayes in the garage in a refrigerator. I can force carbonate the 5 gal keg and just inject it through a needle valve if need be.
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post #4 of 7 (permalink) Old 05-15-2009, 10:53 PM
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I guess you can do that. I don't know what the pressure would be on the needle valve. You might have to put a regulator on the keg to downstep the pressure. At that point, you have a CO2 set up and should probably just get another co2 tank. But, give it a try.

You probably have good yeast laying around and fermentables. You could turn the 5 gal. keg into a diy co2 fermenter.
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post #5 of 7 (permalink) Old 05-16-2009, 04:50 AM
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As long as your not burning an insane amount of light carbonated water will
work, but it is more work and less efficient than simply adding well diffused
gas directly to tank. Do both

Craig

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post #6 of 7 (permalink) Old 05-16-2009, 11:34 AM
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I'd not try and reinvent the wheel... complicating a tested and proven system will just give you head aches.

I know it first hand, I tend to over complicate all the time and I ALWAYS end up beat down and having to do what I was supposed to in the fist place.

Anyways do what you want to do. Those are my 2cents
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post #7 of 7 (permalink) Old 05-16-2009, 05:10 PM
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I say go for it
I'd love to learn how to brew my own beer;
by-product CO2 goes to the tank, by-product beer goes to myself

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