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Old 02-19-2007, 05:19 PM   #1
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Default Oxygenating Wort

For all who use oxygen tanks and air stones to oxygenate your wort, Do you use medical grade or is oxygen from your local welding supply alright? I spoke with several companies and their doesn't seem to be a big difference except in the treatment of the tanks. Also you don't need a prescription for welding oxygen.
Thanks.

Alex

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Old 02-19-2007, 05:24 PM   #2
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I haven't gotten an O2 system yet but from what I've read you just purchase the O2 bottle from your local hardware store.
http://www.williamsbrewing.com/WILLI...T_P699C106.cfm

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Old 02-20-2007, 01:00 AM   #3
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I use o2 from Home Depot, and one of those little white inline sanitary filters. I've not had problems.

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Old 02-20-2007, 04:58 PM   #4
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Ditto. Used this one.

http://www.breworganic.com/index.asp...ROD&ProdID=462

I've been using this, along with pitching a starter and my fermentations have taken off like a rocket.

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Old 02-21-2007, 12:46 AM   #5
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Quote:
Originally Posted by raceskier
Ditto. Used this one.

http://www.breworganic.com/index.asp...ROD&ProdID=462

I've been using this, along with pitching a starter and my fermentations have taken off like a rocket.
I use a similar setup as well, and buy disposable O2 cylinders from the hardware store.

Has anyone with these systems experienced difficulty keeping the stone at the bottom of the fermenter? My hose is very 'curley' and the darn stone always floats when I crank up the O2. The 02 systems with the rigid 'wand' look like a better design than what I have, but has anyone found a solution for the hose types?
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Old 02-21-2007, 01:00 AM   #6
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Quote:
Originally Posted by FlyGuy
I use a similar setup as well, and buy disposable O2 cylinders from the hardware store.

Has anyone with these systems experienced difficulty keeping the stone at the bottom of the fermenter? My hose is very 'curley' and the darn stone always floats when I crank up the O2. The 02 systems with the rigid 'wand' look like a better design than what I have, but has anyone found a solution for the hose types?
I have just the hose and found that heating the tubing in hot water straightens it out and it will get pretty close to the bottom of the carboy. I also only allow enough O2 so that it just barely breaks the surface of the wort, don't crank it to much.
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Old 02-21-2007, 01:16 AM   #7
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It's topic related.

Bobby_M - Oxygenation Video

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Old 02-21-2007, 04:18 AM   #8
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Quote:
Originally Posted by Lord Sterrock Hammerson 8
It's topic related.

Bobby_M - Oxygenation Video
Very nice! Is it true that you can OVER-oxygenate the wort?
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Old 02-21-2007, 10:24 AM   #9
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Quote:
Originally Posted by FlyGuy
I use a similar setup as well, and buy disposable O2 cylinders from the hardware store.

Has anyone with these systems experienced difficulty keeping the stone at the bottom of the fermenter? My hose is very 'curley' and the darn stone always floats when I crank up the O2. The 02 systems with the rigid 'wand' look like a better design than what I have, but has anyone found a solution for the hose types?
Yeah, it seems we both bought the system from PW. What I did to cure the floating airstone was to cut the hose 2 inches above the stone and connect a piece of rigid tubbing from a cracked autosiphon I had.
And as was mentioned, keeping the o2 low enough to just break the surface with the bubbles make for more efficient use of the o2.
I buy the disposable cylinders also.
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Old 02-21-2007, 11:19 AM   #10
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I buy the disposable cylinders with an oxygenation stone and don't use any kind of inline filtration...no problems so far!

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