planning a PVC reactor... HELP!
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Old 04-19-2013, 05:56 AM   #1
creekbottom
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planning a PVC reactor... HELP!


Questions: 1) How do you decide on the length and width of your reactor?

2) If I want to put in shut off and quick disconnects, where is the best place for them?

I'm planning ahead, the CO2 system is nearly finished, eventually it will all get moved into a 20L but it will still be run with a fluval 206 (using vinyl hose, not that ribbed stuff)

I've been looking around and I found threaded everything in one store, so instead of permanently glueing things I'm going to go with threaded. It's a little more expensive but less permanent for when I mess it up lol.

Here is the plan:
A 2" reactor about 7-8" long. Very similar to this build:

http://www.plantedtank.net/forums/sh...ht=pvc+reactor

http://farm8.staticflickr.com/7264/7...005eb642_c.jpg

thanks 150EH for the idea!

minus the heater. I like this one cause it will stand on its own and the end caps provide a little extra length. The 2" body piece is really only 6" long but with the T on the bottom and an elbow on top it will make it a little longer.

I'm going to go with a smooth elbow on the top so that an air pocket is less likely to build up.

What am I forgetting, what have I not thought about?



There is my highly technical drawing of what I'm planning. Oh, I'm going to drill a hole in the side of the 2"x6" piece for the CO2 line, about halfway.
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Old 04-19-2013, 07:00 AM   #2
Mathman
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Default planning a PVC reactor... HELP!

I like the reactor. However, if you are thinking of putting the inlet for the co2 in the same position I do not see the point of a clear PVC. You could use it to your advantage and drill on the lower white PVC but that may be too close to the outlet and the gas may scape prior to its diffusion. Huhmm..I don't suppose you could drill the clear PVC...could you?

Anyways, here's my reactor on my 55g. So far it's done well with diffusing the co2.

I understand that having a clear PVC makes the whole design nicer. I somewhat wish I had used it on mine.



EDIT: half way of the clear PVC is much better than all the way at the top. In doing so the reactor will also act as a bubble counter.
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Old 04-19-2013, 07:51 AM   #3
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Quote:
Originally Posted by Mathman View Post
Anyways, here's my reactor on my 55g. So far it's done well with diffusing the co2.


Nice!
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Old 04-19-2013, 04:05 PM   #4
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My parts are all black plastic, so no bubble counter capabilities.
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Old 04-19-2013, 04:41 PM   #5
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Default planning a PVC reactor... HELP!

My design requires no drilling at all. I did think about drilling to connect the inline co2 tubing but I figured ill make a more solid leak proof design.
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Old 04-19-2013, 04:52 PM   #6
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that is very nice!
what do you have inside?
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Old 04-19-2013, 04:53 PM   #7
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Do you have any problems with injecting at the top? Does it make any noise? If you have to disconnect that thing, how do you do it?

How did you decide on the size?

It looks great!!!
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Old 04-19-2013, 04:54 PM   #8
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Default planning a PVC reactor... HELP!

Quote:
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that is very nice!
what do you have inside?
Nothing inside. There's no need for bio balls due to the length of the regulator.

~cris
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Old 04-19-2013, 06:09 PM   #9
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Nothing inside. There's no need for bio balls due to the length of the regulator.

~cris
You mean length of reactor right?


Very cool!


-Sent from my Samsung Note, a "Phablet"
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Old 04-19-2013, 06:24 PM   #10
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Default planning a PVC reactor... HELP!

Quote:
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You mean length of reactor right?


Very cool!


-Sent from my Samsung Note, a "Phablet"
Yes.
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