Cerges reactor question - The Planted Tank Forum

 
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post #1 of 6 (permalink) Old 09-05-2013, 02:52 PM Thread Starter
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Cerges reactor question

Since the house filter used for a Cerges is basically a cylinder, could one just take a length of PCV, plumb it similar to how we plumb the Cerges (intake flowing to the top, with a length of pvc from the top to the bottom for the out)? Or is there some special way that the house filter is made that makes it a better reactor? Just curious. Thanks.

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post #2 of 6 (permalink) Old 09-05-2013, 02:56 PM
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Indeed you can but then it would be called Rex Reactor.

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post #3 of 6 (permalink) Old 09-05-2013, 03:03 PM Thread Starter
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I thought the rex reactor was different; relying on co2 flowing from the bottom to the top, fighting through bioballs as the water flows from top to bottom of the reactor. Where as the cerges relies on on co2/water contact at the top of the reactor as the water has to fight to reach the bottom of the reactor then go through the outflow in the middle...

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post #4 of 6 (permalink) Old 09-05-2013, 03:13 PM
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You could probably make one, but it'd be more prone to leaks, and not nearly as easy. Not sure why you would do it. My clear omni filter was only $14 locally.
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post #5 of 6 (permalink) Old 09-05-2013, 03:25 PM Thread Starter
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I was more curious than anything. I'm planning on doing a cerges. I have a friend of mine, who is a lot more mechanically inclined than I am, helping me. I know he is going ask why we shouldn't just make a cheap reactor out of pvc. I just wanted to get some input here first.

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post #6 of 6 (permalink) Old 09-05-2013, 03:29 PM
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You can do a Rex Grigg without the bioballs too, in which the bubbles just pool at the top and get mixed in with the water rushing down. Same concept as a Cerges except the water exits at the bottom instead of the middle.
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