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Old 08-23-2005, 08:14 PM   #11
SwAMi75
 
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DeRoux, Dennis: I found the O2 cylinder you're talking about at Lowes. What do you use for a regulator, tubing, etc? I've been looking for a cheap, easy solution, and this looks to be it.

Also, how many batches do you get out of a cylinder?
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Old 08-23-2005, 08:43 PM   #12
El Pistolero
 
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Northern Brewer (and a few other places) have a kit that contains a regulator, tubing, and SS airstone.
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Old 08-23-2005, 09:55 PM   #13
DeRoux's Broux
 
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Sam, the aeration stone you buy from the HBS will have the stone and the tubing. that's all you need. it comes w/ suggested times of aeration equal to the SG of the brew. i always run mine for abouyt 2.5 minutes no matter what the SG. just attach the tubing to the little stem on the O2 bottle and open it up. you don't want a full-blast, turbulant aeration going on, just a nice little flow. smaller bubbles = happy yeasties.
i've used one bottle for 9 batches. it's probably getting close to being done though. i promise you'll see a difference in yeast activity once you start using it.
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Old 08-23-2005, 10:09 PM   #14
El Pistolero
 
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So you don't need a regulator?
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Old 08-23-2005, 11:15 PM   #15
bikebryan
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Quote:
Originally Posted by El Pistolero
So you don't need a regulator?
You do need a regulator, but the bottle may have it built into the on/off valve. Remember the pressure inside the bottle is at least several hundred, if not a couple of thousand, PSI. The regulator allows this to release at a managable rate. I suppose it could have a built in regulator in the on/off valve, although I've never seen that.

 
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Old 08-24-2005, 01:40 PM   #16
DeRoux's Broux
 
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Quote:
Originally Posted by El Pistolero
So you don't need a regulator?
my bad, i brain-farted yesterday. the aeration stone comes w/ the tubing and a brass regulator. it just screws into the top of the O2 bottle. there's no gauges or anything, just a on/off knob. i was putting up all my gear from brewing Sunday last night, and realized i goofed! sorry 'bout that!
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Old 08-29-2005, 01:32 AM   #17
SwAMi75
 
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Damn, lost track of this one.

Thanks for the info. I saw a "kit" form Midwest that included the empty tank for $34......I'm pretty sure I can get the regulator, line, and stone for half that.

~Edit.....maybe not. Seems that the regulators go for about $24. Still looks like the easiest solution, though.
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Old 08-29-2005, 01:38 AM   #18
El Pistolero
 
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Sam, the regulator, stone, and tubing at Northern Brewer are $28 Let me know if you run across it cheaper, please.
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Old 08-29-2005, 01:49 AM   #19
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I just found that after I posted. Best deal I've found so far, of 4 suppliers.
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Old 08-29-2005, 12:06 PM   #20
Steve973
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Please correct me if I'm out of line here, but I am not sure that bubble size matters very much, except from the perspective of how well the oxygen dissolves. smaller bubbles will give the best amount of contact with the beer, so you'd have a better rate of dissolution, but once the oxygen dissolves, it doesn't matter what size bubbles the oxygen came in, since dissolved oxygen isn't in a "bubble" form.

Our local homebrew store also carries the oxygenation kit with the airstone, regulator, and tubing for approximately thirty dollars. I'm either going to buy that for this next batch, or use an airstone and an air pump that pumps regular air. I think I'd like to try the oxygen, though.

 
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