diy co2 diffuser new idea

jmhart said:
Dude, it's gas. Undissolved gas results in bubbles, even small ones that are visible. Dissolved gas can't be seen.

You really can see it. If it's not getting dissolve, it looks misty, almost cloudy. If it is getting dissolve it's crystal clear.
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i guess i will take that as a no. thanks for posting.
 
jmhart said:
If you can't see bubbles, it's all dissolved. It is like a UV, if the chamber isn't long enough or if the pump/flow is too strong, it won't work. For example, a 500 gph pump is about as high as you want to go for about a 12" reactor. Stronger pump needs a longer chamber.
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This is great info jm... thanks.

I also have read in the thread that I linked before that once all the bubbles are no longer visible, the co2 is diffused entirely. That was coming from Tom Barr. I've seen enough of JM's posts on this site to trust his insight. When that's backed up by TBarr, I'm willing to go with it.
 
jmhart said:
The answer is YES. You can see it. It's a physical change in appearance.


Dude, build your reactor, but be sure you have a 1200 gph pump on it.

Just trying to help you out.
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i appreciate the help i do. i just wondered if you had prof to back your claims or a way to test this.
 
jbradt said:
This is great info jm... thanks.

I also have read in the thread that I linked before that once all the bubbles are no longer visible, the co2 is diffused entirely. That was coming from Tom Barr. I've seen enough of JM's posts on this site to trust his insight. When that's backed up by TBarr, I'm willing to go with it.
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thank you for the information. i trust him also. i think i will still do it to see the flow loss but will build it to where i can take the 90's out easily. yous the man
 
Don't forget to post results... I'm always up for some data. Yes, I'm a geek. :thumbsup:
 
The Zigman said:
this will significantly reduce the flow of any canister filter.
You'd be suprised what a few elbows inline do.

I have an fX5 that is hardlined on my 125. I originally used 90's. I replaced them all with 2 45's and a short pipe. flow was dramaticly improved.

Most C02 generators like this have nothing inside them, and are suposed to work well, I use a powerhead type difuser.

Also, often times people will simply place the C02 tubing in the inlet to the canister filter. this is also said to do a good job.

Ideally what you want to do is create some turbulence within an enclosure that will increase the duration of the C02 bubbles contact with the water. I might consider doing something similar, maybe a straight spraybar inside the encluosure, without the elbows.
Or better yet, use a couple street 45's to spray the water in the interior of the enclosure to start a cyclonic motion inside, then feed the C02 into the top center of the vortex, where it will be drawn into the water and moved into the bottom and out to the tank.

Hmm
I usually dont give up my good ideas.
I must not be feeling well or somethign.

anyway, keep us posted on what you decide to do.
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i do like the vortex idea. i might have to steal that also and use it in my test .
 
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