CO2 enrichment.

Carthoris said:
Yep, that is champagne yeast. 1 pack is all you need regardless of how big your tank is. More won't hurt though. To turn off CO2 from yeast you will require a tank that seals. I use these in brewing: View attachment 2055720 It is called a Corny(cornelius) keg. It was used by pepsi to store soda until they came out with the soda syrup in a bag deal. It is good to a high pressure and has a safety vent if the pressure gets too high. It would be extremely easy to set this up to a co2 regulator and co2 controller. It would not need an air lock or anything. The yeast aren't affected by the pressures involved. Personally I would use 2 just to make sure that no beer/yeast/wine/sugarwater was forced up to the top of the tank by the yeast fermenting. Sometimes they get really excited and overflow. By using 2 you would be able to use the second as an overflow basically. You could also just put 4 gallons of liquid in the container:) I did this when I brewed more. Id brew in 1 keg, and save the CO2 in the other. Then once I put the keg into the kegerator I would use the one where I saved the CO2 to dispense the beer. It kept me from having to refill my CO2 tanks. I might add that since it would still require a regulator and controller that cost 250-350 dollars. Corny kegs are 40 dollars used give or take. It wouldn't be saving you any money at this point in all honesty unless you like to drink a lot. It costs about 25 bucks to make 5 gallons of guinness type beer or sierra nevada IPA type beer. That would give you CO2 for 4-5 days. You get about 50-55 beers from 5 gallons. If you spend 25 bucks a week on beer it would basically be free CO2. I know there are times when I spend many hundreds of dollars a week on beer, but that might only be 15-20 beers of the kind I drink. Making a sugar/juice based wine would be significantly cheaper. 5-10 per 5 gallon batch. If you have fruit trees or access to one then you could easily cut the cost down to a couple dollars a week. With wine you could add the sugar in 2 batches and extend it for 10-14 days.
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Wicked! Thanks man :) I was briefly looking at a few and saw that there are ball lock ones and pin lock ones:
http://www.cornykeg.com/index.asp?category=24756&count=1
http://www.cornykeg.com/catalog.asp?prodid=703818&showprevnext=1


The ball lock one has a relief valve which I assume is the one I want. I don't really understand the difference between the two, but I'll go with the one you said. The 5 gallon one is about $50. I don't mind the $20 a week I'd have to spend on sugar/yeast/fruit juice that's fine. That's really ingenious storing the CO2 in a separate container. How did you get the CO2 from one keg into the other?
 
Redoctober said:
Wicked! Thanks man :) I was briefly looking at a few and saw that there are ball lock ones and pin lock ones:
http://www.cornykeg.com/index.asp?category=24756&count=1
http://www.cornykeg.com/catalog.asp?prodid=703818&showprevnext=1


The ball lock one has a relief valve which I assume is the one I want. I don't really understand the difference between the two, but I'll go with the one you said. The 5 gallon one is about $50. I don't mind the $20 a week I'd have to spend on sugar/yeast/fruit juice that's fine. That's really ingenious storing the CO2 in a separate container. How did you get the CO2 from one keg into the other?
Click to expand...

Ball lock was pepsi, pinlock was coke. I am pretty sure they both have a relief valve. The ball lock is more common and thus cheaper to buy attachments for. The balllock attachments are a couple bucks a piece. They look like this:

dsc01360.jpg

This pops onto the studs on top of the corny keg. There are 2 studs. One has a metal line that goes to the bottom and is the out. The other would be the in and doesn't have a metal line inside. You would just hook the in of the one with the beer in it to the out of the one that is empty. This would store the co2 from the brewing process in the empty keg. The in of the empty keg would hook to your regulator and would feed the grow.
 
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