Red Sea Bio CO2, and sizing a DIY CO2 system - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 12-01-2007, 08:39 PM Thread Starter
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Red Sea Bio CO2, and sizing a DIY CO2 system

Hello, I have started my 38 gallon planted tank. I have been messing with a Red Sea Bio Co2 system, I am not sure about it on a few points.

First, the co2 is diffused into the tank via a small power head. I am pretty sure that this is not that efficient. I am toying with the idea of making a reactor to replaxce the power head arrangement.

Secondly, it is really only shooting co2 bubbles into the tank every few minutes. Is this common?

Finally, this system only has a single quart bottle. If I were to replace this with a DIY system how many 2 liter bottles would I need to get close to an optimal level of CO2?

Thanks,

Mark Koelsch
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post #2 of 4 (permalink) Old 12-02-2007, 05:07 AM
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Mark,

I run 2 2L Bottles on my 26 gal into a Hagen ladder. I redo one bottle every 7 days. I use 5dkh water in my drop checker instead of 4dkh and my drop checker stays a nice green all the time.

Mike
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post #3 of 4 (permalink) Old 12-06-2007, 09:14 PM
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how do you connect two lines to the ladder? I was thinking of adding a second bottle to my 20G-tall. Was thinking of putting into my intake.

Thanks.

90G - CA community tank (Jack Dempsey, Fire Mouth, Blood Parrot). 8 Tiger Barbs, 3 Clown Loaches, 3 bristlenose Pleco's.
20G (tall) - Planted. 4 neons, 8 rummy nose tetras, 3 ottos.
5.5G - Dwarf Hairgrass playland for Beta and 2 ottos.
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post #4 of 4 (permalink) Old 12-07-2007, 12:24 AM
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I have a common air line T connector installed between the bottles. The lines from the two bottles connect to the straight ends of the connector (top of the T). The air line going into the tank, to the ladder, connects to the vertical part of the T connector.

I actually run the line from the CO2 bottles into a gas seperator, then through a check valve, and then to the hagen ladder. Keeps some of the CO2 slime from collecting on the ladder where the bubbles come out.
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