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Old 05-08-2011, 07:26 PM   #1
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Default Has anyone tried to build this DIY oxygenator?

http://www.homebrewertv.com/dyi-oxyg...nd-great-beers

Go to about 3:45 in the video to get to the oxygenator.

It looks like a really good idea but I don't know if it would be enough oxygen or too much.
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Old 05-08-2011, 11:47 PM   #2
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Seems over the top really.

I just use a plugged silicon hose with a bunch of tiny holes drilled in it, lay it on the bottom and I get the entire wort to foam up with oxygen, works great.
As well as being super cheap.

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Old 05-09-2011, 12:07 AM   #3
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Quote:
Originally Posted by firebird400 View Post
Seems over the top really.

I just use a plugged silicon hose with a bunch of tiny holes drilled in it, lay it on the bottom and I get the entire wort to foam up with oxygen, works great.
As well as being super cheap.
I don't get it....do you attach a pump to it....what about a filter?
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Old 05-09-2011, 12:31 AM   #4
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I built one similar to his a couple of months ago and love it. I didn't see his video at the time but the design is very similar.

http://www.homebrewtalk.com/f51/my-s...jector-199992/

I've used it on a few batches and find it to be very effective. Cheap and simple to build. With my pump, plate heat exchanger and inline O2 injector I get 5 gal. of fully oxygenated wort at 62F in five minutes with little effort and no risk of contamination.

I recently bought a O2 test kit and plan on running some dissolved O2 vs. flow rate tests. Just haven't gotten around to it yet.

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Old 05-09-2011, 12:45 AM   #5
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I don't get it....do you attach a pump to it....what about a filter?
I'm assuming he means his o2 line is plugged at the end and he drilled holes in that so the o2 comes out the holes of the plugged line which is at the bottom of his primary with the cooled wort.

With this hobby, there are always different ways to do things. Instead of the holes in the line, you can buy a diffuser. Instead of compressed o2, you can just shake the crap out of it.
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Old 05-09-2011, 12:53 AM   #6
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Quote:
Originally Posted by Bumbler View Post
I built one similar to his a couple of months ago and love it. I didn't see his video at the time but the design is very similar.

http://www.homebrewtalk.com/f51/my-s...jector-199992/

I've used it on a few batches and find it to be very effective. Cheap and simple to build. With my pump, plate heat exchanger and inline O2 injector I get 5 gal. of fully oxygenated wort at 62F in five minutes with little effort and no risk of contamination.

I recently bought a O2 test kit and plan on running some dissolved O2 vs. flow rate tests. Just haven't gotten around to it yet.
Looks pretty much what he did in the video. Glad to hear that it works so well.

What do you have your o2 output at?
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Old 05-09-2011, 01:09 AM   #7
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I have a large oxygen tank as part of my oxy acetylene torch set up.

Is that oxygen safe to use to oxygentate beer?

My brother is a machinist and recomended against using it as he didn't feel anything used in an industrial setting shoud be used with food products. While my garage isn't quit and industrial setting I understand his stance, but wanted to get a few more opinions before completely writing the idea off...

Thanks and Cheers!

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Old 05-09-2011, 01:21 AM   #8
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I use hospital grade oxygen from a hospital grade pressure bottle.

But I would try using oxygen from the oxy/acetylene rig until someone tells you that you can not and why

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Old 05-09-2011, 01:26 AM   #9
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Quote:
Originally Posted by h22lude View Post
I'm assuming he means his o2 line is plugged at the end and he drilled holes in that so the o2 comes out the holes of the plugged line which is at the bottom of his primary with the cooled wort.

With this hobby, there are always different ways to do things. Instead of the holes in the line, you can buy a diffuser. Instead of compressed o2, you can just shake the crap out of it.
Yeah thats right
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Old 05-09-2011, 01:28 AM   #10
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Welding grade oxygen is nearly identical to medical grade as far as purity. Research grade is the highest. Airgas.com has a chart listing various grades. Medical grade has more container restrictions however. You can use welding grade with no problems.

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