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Old 07-08-2013, 03:09 PM   #1
Traughber
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Default Med grade O2

Looked into getting some medical grade O2 for aeration. All the gas stores in my area told me it was a no go, unless I have a prescription. I know that the non med grade tanks aren't vacuumed. So how are you guys that use O2 for aeration getting it. Just to add, I'm in TX.

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Old 07-08-2013, 03:11 PM   #2
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You don't need medical grade. Most Home Depots or Lowes carry small O2 tanks that work just fine.

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Old 07-08-2013, 03:35 PM   #3
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It all comes from the same place, I scuba dive and mix my own gas. I've been breathing the welding gas for years. If a tank was contaminated the plant would shut down, messing with O2 is no joke.

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Old 07-08-2013, 03:38 PM   #4
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Quote:
Originally Posted by mikescooling View Post
I've been breathing the welding gas for years.
This might explain why you look like a puppy.
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Old 07-08-2013, 03:48 PM   #5
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Quote:
Originally Posted by mikescooling
It all comes from the same place, I scuba dive and mix my own gas. I've been breathing the welding gas for years. If a tank was contaminated the plant would shut down, messing with O2 is no joke.
I was told at the gas shop the difference between med and weld gas was vacuuming of the tank. I guess if I have my own tank I'll know it's clean. May just do the Home Depot thing.
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Old 07-08-2013, 04:23 PM   #6
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Originally Posted by evrose View Post
This might explain why you look like a puppy.
I wish I looked like a puppy, that dog gets more girls than I ever did. A dogs life.
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Old 07-08-2013, 04:37 PM   #7
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Just get a sterile inline filter from more beer or the like for 5 bucks and you're golden.

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Old 07-08-2013, 05:36 PM   #8
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Quote:
Originally Posted by Traughber View Post
Looked into getting some medical grade O2 for aeration. All the gas stores in my area told me it was a no go, unless I have a prescription. I know that the non med grade tanks aren't vacuumed. So how are you guys that use O2 for aeration getting it. Just to add, I'm in TX.
I use a HEPA filter on my tubing just prior to the aerator.

Picked up a new one last afternoon at Austin home brew supply

And Im using one of my welding O2 tanks and regulators....
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Old 07-08-2013, 05:54 PM   #9
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Quote:
Originally Posted by evrose View Post
You don't need medical grade. Most Home Depots or Lowes carry small O2 tanks that work just fine.
At $10 per bottle and 29 for the regulator...

Unless your only doing a few batches.... To me it makes more sense to find a used welding tank regulator and and small 80 cf or so tank....

Easy for me to say I guess since I have a few welding O2 tanks at the house all the time... But still.. $10 for $.60 of O2 just sucks.
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Old 07-09-2013, 12:17 PM   #10
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Quote:
Originally Posted by E_Marquez

I use a HEPA filter on my tubing just prior to the aerator.

Picked up a new one last afternoon at Austin home brew supply

And Im using one of my welding O2 tanks and regulators....
Seems like the more simple route. I ordered a couple of the hepa filters this morning. Going to head to the welding shop to pick up O2 and reg this weekend, thanks.
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