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Old 12-30-2011, 06:16 AM   #1
jholen
 
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Nov 2011
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Hey all you DIY'ers!

I suppose I could use your help - I'm trying to piece together an oxygen system for aerating my wort, and just want to make sure that the two pieces that I've found via HBT on ebay will work together. Figured this would be the best place for this type of question.

Regulator: Here

Tank: Here

Both state that they have CGA 540 fittings - so they should work, correct? The regulator also appears to have a barbed outlet, so assuming I'll just get the right diameter tubing to connect to my SS stone. Thinking I'll go with a .5 micron stone from MoreBeer - they got a pretty nifty threaded version now:

.5 Micron Stone: Here

Then just find a local welding supply store, and get my tank filled. I'm just not 100% confident in myself, and want to make sure I make the right purchase - I knew there had to be someone on here with much more knowledge and experience with this than myself.

Thanks for your help!

 
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Old 12-30-2011, 06:38 AM   #2
outside92129
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Most home medical O2 regulators don't fit welding tank but if the item description says it fits.... In general I believe they have different connectors so people don't try to use welding gas for medical use, even though the source of the oxygen is often identical (handling may differ). Right now (dec 2012) there is a nice Victor Reg on ebay, and it's cheaper than your medical reg. Even cheaper is a Matheson for $7.

Don't bother with a shiny new O2 tank, get the cheapest one you can find. When you take your tank to a welding/gas store they don't fill them, it's done on a tank exchange. So nastier the better, as long as it's sound of course.

Stone- that should do. I opted for one with a wand so i can plunge it to the bottom of the wort.

 
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Old 12-30-2011, 09:01 AM   #3
B_Lines
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Aug 2011
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yea it'll work, prob not the best. Thats a reg for a big supply tank similar to the ones we use on the ambulance, we get our supply tanks from places like airgas. But medical O2 comes in an aluminum tank and has to be filtered. Welding gas doesn't.

That being said Thats a pretty big tank it'll last a while. I have a pretty similar set up. To connect it I just used some O2 tubing. I just toss it in at 15 lpm for about a minute. Make sure the stone is one there tight and do a test with the reg turned all the way up. You dont want it popping the stone off into your wort. If you know some one who is an emt or paramedic or nurse they should be able to get you some.


 
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Old 12-30-2011, 05:00 PM   #4
tprokop
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I use exactly that. Only difference is I use the stone on a rod from Williams Brewing so that I can hold it down at the bottom. I added my own MFL to it. I used 1/4" PVC tubing from the HBS to make the connection. Very difficult to get it on the barb, but I got it on there eventually. Works great now.

 
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Old 12-30-2011, 05:29 PM   #5
jholen
 
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Quote:
Originally Posted by tprokop View Post
i use exactly that. Only difference is i use the stone on a rod from williams brewing so that i can hold it down at the bottom. I added my own mfl to it. I used 1/4" pvc tubing from the hbs to make the connection. Very difficult to get it on the barb, but i got it on there eventually. Works great now.
mfl?

 
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Old 12-30-2011, 06:06 PM   #6
tprokop
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Oct 2008
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mfl is male flare fitting. 1/4" MFL is the standard one used for CO2 and serving setups when modular setups are used. I used it on my O2 system too. It's not standard for O2.

 
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Old 12-30-2011, 07:32 PM   #7
Zamial
 
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I just got the said Williams Brewing Aeration kit for x-mas. It does not really reason to need a large tank of O2 unless you are making a LOT of beer... I have read reports of the small O2 tanks lasting a long time. I think the small tanks to go with the kit are only like $10ish... Here is a link to it: WILLIAM'S OXYGEN AERATION SYSTEM @ Williams Brewing

I guess if you need a big tank or use it for welding then you are ahead but if not then why go so big???

GL
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Old 12-30-2011, 10:08 PM   #8
Hang Glider
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Yeah, I gotta say I was thinking along the lines of the OP, but my little red tank from the big box store has lasted quite long! - I do one-minute flushes in the carboy.

 
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Old 12-30-2011, 10:09 PM   #9
jholen
 
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I looked at the William's oxygen setup however there is no way to monitor how much oxygen you are delivering to your wort.

I'd like to be able to write down in my notebook for each recipe how much oxygen I delivered and for how long - ie, "1 LPM for 50 seconds"

Plus.. when you look at it price wise.

Williams kit: $54.90 + $6.90 shipping + $10 for a disposable tank from Home Depot/Lowes = $71.80

This route: $60 (tank) + $30 (reg) + $20 (fill) + $15 (stone) = $125

So ~$55 for the ability to measure exactly how much Oxygen you are delivering. Worth it to me.

 
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Old 12-30-2011, 10:10 PM   #10
Schnibbz
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Quote:
Originally Posted by Hang Glider View Post
Yeah, I gotta say I was thinking along the lines of the OP, but my little red tank from the big box store has lasted quite long! - I do one-minute flushes in the carboy.
I have to disagree. My little red tanks, 5 or 6 different ones, from Home Depot lasted for 3 or 4 batches of beer each. Recently upgraded to a Harbor Freight O2 regulator for $35 and bought a welding tank on craigslist for $10.

 
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