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Old 03-21-2012, 03:35 PM   #291
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Looks good to me... I would just check to make sure it has a threaded fitting for the O2 out. With the picture as it is, you cannot tell what the fitting is for the O2 out part. Even though a barb fitting on the regulator would work too, I like using threaded fittings for my lines/tubing whenever possible.

Still, it's hard to go wrong at that price. Just wish it was available with Amazon Prime.

I am very confused by this thread. Everyone seems to be looking at medical regulators for their oxygen tanks. Do these regulators only work with the green medical oxygen tanks? Can those tanks be filled without prescription? If not, what are people doing about the tanks running out of gas? I have an opportunity to pick up a large oxygen tank with regulator and 25% full, for extremely cheap. However, it is a medical tank, and I don't want to throw money away if I can't ever fill it again. Thoughts?
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Old 03-21-2012, 03:53 PM   #292
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The tank I have is for welding O2 not a medical tank. You can get the medical flow regulators with the regular tank connection. That wah you can swap/fill them where welding gases are sold.

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Old 03-21-2012, 03:53 PM   #293
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I'm using the Williams Brewing kit with just a regular o2 tank from a hardware store.

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Old 03-21-2012, 03:58 PM   #294
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I am very confused by this thread. Everyone seems to be looking at medical regulators for their oxygen tanks. Do these regulators only work with the green medical oxygen tanks? Can those tanks be filled without prescription? If not, what are people doing about the tanks running out of gas? I have an opportunity to pick up a large oxygen tank with regulator and 25% full, for extremely cheap. However, it is a medical tank, and I don't want to throw money away if I can't ever fill it again. Thoughts?
How cheap is 'extremely cheap'? I buy the disposable tanks at the Lowes for like 9 bucks and they only hold a couple oz of O2. I’ve used it on about 70 gallons of beer/wine/mead/cider so far and haven’t run out yet (some people claim they can get 30 batches out of them).

Depending on how big that tank is, you may not need to replace it for a very very long time. Think of it as a disposable tank. Unless (god forbid) you or a family member develop a condition which requires oxygen, then you may have an excuse to get it filled.

Basically, if you have the room to keep it and its really cheap, than go for it and don’t worry about your oxygen needs for multiple years.
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Old 03-21-2012, 03:58 PM   #295
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I think I get it now, so I want the CGA540 outlet, not the 870?

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Old 03-21-2012, 04:04 PM   #296
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I think I get it now, so I want the CGA540 outlet, not the 870?
Sounds right. Its the tank connection welding regulators use (for oxygen).

Also, a 20 cubic foot O2 tank is about the same size as a 5# CO2 tank, so easy to store. You can get the regulator for under $30 from ebay or amazon. Since yoh swap/refill the O2 tank its cheap for the volume. Plus you save by just buying the wand and stone (or just a stone) not the full kit. With an actual meter o. The regulator you KNOW how mych O2 you're infusing. With the disposable regulator you're just guessing.
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Old 03-21-2012, 04:12 PM   #297
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I'll take some photos of my rig. Basically, if you plan to use a regular welding oxygen tank acquired from a local welding shop (what I did) you need to look for a medical regulator that has a bolt attachment on it. See my pictures below of my current setup.











Here is the specific regulator I purchased: http://www.ebay.com/itm/H-M-Medical-...ht_1274wt_1163

And coupled with the beverage tubing from MoreBeer + their oxygen stone, everything hooks up perfectly to the barb outlet on the regulator.

One of my best purchases ever. Got everything for around $120 - and it took all the worry or guessing out of oxygenating my wort.

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Old 03-21-2012, 04:15 PM   #298
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Awesome, thanks a ton for the pictures, that makes a lot of sense now. The specific oxygen setup I am looking at is an "E" tank, with regulator and half full. The price is $55.

Craigslist Ad for tanks

Would this make sense, or should I just stick with a welding tank + ebay regulator?

Sorry for the noob questions, just don't want to make a bad purchase and screw myself.

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Old 03-21-2012, 04:29 PM   #299
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Well, those appear (from my limited knowledge) to be medical tanks, and I'm not sure how the regulators work as I can't see them blown up, but would imagine that they'd have LPM settings for you to adjust similar to my regulator shown above.

Those should work, if you can attach some hose to your stone, but again you might have problems getting them filled up without having a perscription. I decided against getting a medical tank, and just taking the investment to get the tank from a welding supply shop directly.

An exchange is about $14.50 for a full tank, so basically my oxygen needs are completely solved for the remainder of my time brewing. It was a $120 investment up front, but worth it in my opinion. Beats spending $10 or whatever for those little tanks and not knowing exactly how much oxygen you are putting in, not to mention that most websites want atleast $50-60 for the kit with stone and plastic reg.

Basically, to get back to your question - do you want a short term solution that may work (but that you probably can't get refilled) or a long term solution that is proven to work?

p.s. Another option is to ask your dentist to see if he can prescribe you oxygen. If he can, then you just solved getting those medical tanks refilled. Then medical tanks might make a lot more sense.

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