Co2 Question - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 02-06-2010, 02:06 AM Thread Starter
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Co2 Question

I decided I would try to make a DIY co2, but I use a DIY sponge filter which obviously blows bubbles to the surface. Is it pointless to make a DIY co2 then?
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post #2 of 6 (permalink) Old 02-06-2010, 03:08 AM
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It depends. Having a sponge filter will mean that there will be significant surface agitation. As such, you would have to compensate by adding more CO2 (i.e. perhaps adding another bottle?)

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post #3 of 6 (permalink) Old 02-06-2010, 04:37 AM
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You can run a sponge filter with a powerhead, and use the powerhead to diffuse the CO2 into the water at the same time. Powerheads are cheap.

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post #4 of 6 (permalink) Old 02-06-2010, 06:59 PM Thread Starter
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I suppose, but don't they blast out a lot of current? I have a divided tank with bettas in it.
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post #5 of 6 (permalink) Old 02-07-2010, 03:39 AM
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Then divide the CO2 or use 2 bottles, one in each section. You can alternate changing them so the production is more consistent.
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post #6 of 6 (permalink) Old 02-07-2010, 04:26 AM Thread Starter
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Yea, I think I'm gonna go buy a 3way gang valve to divide the one bottle, cuz the Co2 is very high on the side it is on, while the other 2 sections don't have any.
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