DIY External Reactor & Fluval 304 - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 05-29-2005, 10:05 PM Thread Starter
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DIY External Reactor & Fluval 304

OK I will be setting up a pressurized CO2 system in the next week or so and I really want an inline reactor. I will connect it to my Fluval 304. I was thinking of using this reactor

http://www.aquaticscape.com/articles/co2reactor.htm

Has anyone used the 304 on this setup before. I am concerned with loss of flow as well as back pressure on the motor as well. But I dont want anything else in the tank.

Also how should I plumb it in. The fluval has the ribbed hoses. I was thinking of replacing the outflow with regular clear tubing thinking that it would be a better connection less likely to leak.

OR I could put it on the intake portion but I am concerned with it pluging up am its just one more thing to clean.
Also let me make sure that I have this right the Co2 will go with the flow in the tube so if it is on the outflow I would place the co2 at the bottom so that the co2 will disolve buy the time it flows out.

Thanks for the help
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post #2 of 11 (permalink) Old 05-30-2005, 01:50 AM
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This is the plan that I am using for my inline DIY C02 reactor. I like this one the best because it mentions using a test tee, which will make cleaning the inside of the reactor possible if it ever gets filled with muck.

http://www.hoftiezer.net/personal/aq...co2reactor.htm


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post #3 of 11 (permalink) Old 05-31-2005, 02:12 AM Thread Starter
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I will incorperate that idea into my design thanks.

Any suggestions on how to attach the tubes for inflow and outflow
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post #4 of 11 (permalink) Old 05-31-2005, 03:55 AM
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Quote:
Originally Posted by bigstick120
I will incorperate that idea into my design thanks.

Any suggestions on how to attach the tubes for inflow and outflow
Dump the ribbed hose and use regular 5/8" aquarium tubing instead. I've had a 304 powering my DIY reactor on my 125g tank since I set it up last September. Filter output is decreased slightly, but nothing I'm concerned about.

óBill

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post #5 of 11 (permalink) Old 05-31-2005, 04:20 PM Thread Starter
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OK and do I use the 1/2 adapter to connect the reactor to the filter tube with a clamp?
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post #6 of 11 (permalink) Old 05-31-2005, 04:29 PM
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Use either 1/2" or 5/8" hose barbs on the reactor. Depending on the tube/barb fit you may not need to clamp it down...but have the clamps ready in case you do.

óBill

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post #7 of 11 (permalink) Old 06-01-2005, 02:01 AM
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Pics of my setup.

Here are a couple of pics showing my 304 connected to my DIY CO2 reactor.
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post #8 of 11 (permalink) Old 06-01-2005, 03:54 PM Thread Starter
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thanks a million, just what I was looking for. Im a visual learned!!!


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post #9 of 11 (permalink) Old 06-04-2005, 03:30 PM
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Could you connect the reactor to the return from the canister? I have a Magnum 350 and have thought about adding the CO2 reactor to the return line. Would this work?
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post #10 of 11 (permalink) Old 06-08-2005, 04:56 AM
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Quote:
Originally Posted by snytiger_92
Could you connect the reactor to the return from the canister? I have a Magnum 350 and have thought about adding the CO2 reactor to the return line. Would this work?
Yes, that will work. Most people place their reactors on the return line anyhow, that way the reactor doesn't get dirty from unfiltered water running through it.


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post #11 of 11 (permalink) Old 06-12-2005, 12:57 AM Thread Starter
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Well I set everything up today. I used the 5/8 clear tubing and 1/2 adapter. Upon turning on the reactor, I had a pretty bad leak where the tubes went into the reactor via the 1/2 adapter. So it was off to HD to find a 3/4 adapter but I couldnt find one so I purchased another hose clamp. I then put a hose clamp near the top of the adapter and one at the bottom. Fired it up and had a new leak. When I disconnected the CO2 supply line I must of broken the silicone loose around the that adapter. This was a minor leak. So I took it all apart and resiliconed and am waiting for it to dry.

As I was doing the test run I noticed that the filter didnt seem full. It was blowing bubles out of the spray bar I shook the filter to remove the air and it eventuly escaped. Even after taking the reactor off for repair and reconnecting the old tubes it was still blowing bubbles. Something that it has never done before. Any reason why the reactor would make the filter suck more air


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