what C02 for nanos? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 05-20-2009, 04:45 PM Thread Starter
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what C02 for nanos?

I'm setting up a 3 gallon nano, and a 20 gallon long. I'm trying to figure out the best way to deliver C02. I really do not want to use glass diffusors. Even the 20 long is so shallow that bubbles from a diffusor don't have much time to get disolved. And every time I have used them they constantly get clogged.

Any ideas? What are other people using for nanos?

I'm looking at Red Seas 500 reactor.



I have used it in 30 gallon and 55 gallon tanks before, but never anything smaller. It measures 3.75 x 1.6 x 2.2. It has a vortex flow inside the chamber to dissolve the gas into the water, and the flow on the pump is ajustable. I am a little worried it might create to strong a current in a three gallon tank, but the small foot print is great. I don't think I can find anything any smaller. Red Sea says it can handle up to 180 bubbles per minute. That seems like plenty for a 3 gallon tank. Any draw backs to this unit?

Are there any other alternatives?

Robert Paul Hudson

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post #2 of 7 (permalink) Old 05-20-2009, 05:10 PM
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I don't really think CO2 is really needed for a tank that size. Seachem Excel should do the job.
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post #3 of 7 (permalink) Old 05-20-2009, 06:43 PM Thread Starter
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How about a 20 long or even a ten, (same height). Would you not use C02 in them? I have gone the Excel route and was hoping for something better.

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post #4 of 7 (permalink) Old 05-20-2009, 06:57 PM
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use a powerhead of hagen mini elite for CO2 misting, inject directly into your filter, or use a hagen ladder. imho a reactor on something so small would reduce flow too much
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post #5 of 7 (permalink) Old 05-20-2009, 06:57 PM
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Well, for a 10 or 20g, you could always use a power head to diffuse your CO2. But for a 3g tank, IMO it would be best if Excel is used or glass diffuser, but you don't like the glass diffuser method.

What kind of filtration for the 3g?
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post #6 of 7 (permalink) Old 05-20-2009, 08:44 PM
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On the 3g I'd suggest using a Red Sea Nano filter. Not only does it act as a filter, and a good one at that, but you can work around a ton of different ways to get the CO2 into it. I've had it set up with a regular airstone under the intake, a bare sending full bubbles into the intake, and currently have it as a secondary filter with a discard-a-stone shoved up the intake with holes drilled above it.
On the bigger tank I'd go with the Hagen Mini Elite. It's nice, small and chops the bubbles up really nice and small. If you stick the sponge filter from the bottom of it onto the output, it makes the bubble even smaller. Plus, in a bigger tank it adds just that much more filtration, and who doesn't like cleaner water, right?


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post #7 of 7 (permalink) Old 05-20-2009, 09:10 PM
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Excel is the way to go for a 3 gallon.

Patience is the name of the game.

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