Reactor recommendations please - The Planted Tank Forum
 
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post #1 of 11 (permalink) Old 08-30-2008, 09:57 PM Thread Starter
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Reactor recommendations please

I built this monstrosity:



And it works great!

And as awesome as it is by itself, it's an eyesore in a 30g aquarium.

Therefore, I need a new one, and it has to have these key features:

-Small
-Good source of extra flow for the aquarium.
-Dissolves CO2 well
-Cheap

I would prefer DIY because it will probably be cheaper for me.

It has to be a stand-alone reactor. Inline from my filter is out of the question. One of the main reasons I built the one I'm currently using is, extra current.

I don't expect to build one that works as efficiently as that one up there^. I can afford to use a little extra gas if necessary, but I still want a good design of course.

Ideas?
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post #2 of 11 (permalink) Old 08-30-2008, 10:29 PM
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Connect it to an external pump?
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post #3 of 11 (permalink) Old 08-30-2008, 11:52 PM
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Just get a new pump!
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post #4 of 11 (permalink) Old 08-31-2008, 12:04 AM
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Would something like this Barr venturi system work for you? http://www.barrreport.com/articles/4...co2-users.html

or

external venturi http://www.barrreport.com/articles/3...2-reactor.html

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post #5 of 11 (permalink) Old 08-31-2008, 12:09 AM Thread Starter
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I haven't seen any reasonably priced external pumps, nor have I seen any smaller internal ones with enough power to handle this thing and still give decent flow.
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post #6 of 11 (permalink) Old 08-31-2008, 12:19 AM Thread Starter
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I really like that small reactor Left C. I've considered it before but it won't offer me the flow I want.

My reactor is based on the second link. It has the venturi loop, and is a great design. Mine might be a little big though. It seems to take a fairly serious pump to power it.

I guess I could make a smaller one. I wonder how small I could make it and still have it work like I want. Hmm....
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post #7 of 11 (permalink) Old 08-31-2008, 04:00 AM
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Use a smaller pump/reactor and then use a koralia powerhead. You will never complain about enough flow again.

There are loads of external pumps in the 40-50 dollar range that would give you what you want. Or, you could use the cheaper method to get a small reactor and a powerhead like a koralia(choose smaller than you THINK you will need--they are very powerful) to give you flow.

Currently in my 29g with a tiny diffuser and a koralia about 10 inches above it and 4 inches behind it I am running co2 at 1bps and getting well over 30ppm. I was at nearly 60ppm with 2.5bps using the koralia nano to blow the bubles around. It is really pretty insane.
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post #8 of 11 (permalink) Old 09-01-2008, 02:10 AM Thread Starter
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I've been looking for a reason to get one of those koralias. This sounds like a good one. I've been curious to try one for some time now.

I think I'll try what you're doing since I already have a few diffusers handy. Do you think a Mini-Koralia will be sufficient?
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post #9 of 11 (permalink) Old 09-01-2008, 02:54 AM
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Give it a try. I got mine off of ebay(half the price of the lfs). I place my diffuser at the bottom of the tank, on the right side pane, midway between front and back(see the debate on placement of diffusers, as apparently this is a giant pissing contest. This works for ME). I have the koralia on the back glass pointed forwared and slightly down. It is at the top of the glass. None of the co2 bubbles make it to the surface.

They are pushed down the front glass, and around and eventually some make it to the surface, but not much at all. My drop checker stays green all day long(and I have 2 hob filters that I'm fighting against).

If it turns out to not be enough flow(and it should be) then you could add another nano to the other side of the tank. The only thing that I don't like is my sunset leaves end up covering the pump every time I move plants around.
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post #10 of 11 (permalink) Old 09-03-2008, 12:08 AM Thread Starter
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This is what I'll do then. Thanks for the tip.
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post #11 of 11 (permalink) Old 09-03-2008, 05:53 AM
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Could you use a Taam Rio 600 RVT (rejuvenating venturi) Powerhead/Pump: http://www.marinedepot.com/ps_ViewIt...s~vendor~.html

Or a Taam Rio 800 RVT (rejuvenating venturi) Powerhead/Pump? http://www.marinedepot.com/ps_ViewIt...s~vendor~.html

Here is what the impeller looks like:

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