"Normal" CO2 flow rate - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 03-10-2007, 03:34 PM Thread Starter
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"Normal" CO2 flow rate

I have 55 gal. medium planted tank with some fishes (3 convicts, 6 barbs). 130w of lights. Lights on for 10 hrs a day.
In the process of setting up pressurized CO2 system. I've got tank and regulator at this point (still waiting for solenoid, needle valve etc) but of course I can't wait to start using it.
For now I just connected regulator output to the canister filter water intake and since I have no pH meter at this point I'm wondering what's the acceptable safe flow rate of CO2 would be (in terms of bubbles per second)? I'm turning off CO2 for a night.

Thanks!
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post #2 of 6 (permalink) Old 03-10-2007, 04:13 PM
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There is no real way to answer the question. You need enough CO2 to get to 30 ppm. That might be 1 bps for one person and 3 bps for another. There are MANY variables that affect this.

So start out at 1 bps and see what kind of levels you get. Then make adjustments.
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post #3 of 6 (permalink) Old 03-10-2007, 05:53 PM
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You might benefit from a CO2 dropchecker.

http://www.aquaticplantcentral.com/f...p-checker.html
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post #4 of 6 (permalink) Old 03-10-2007, 09:59 PM
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Even with a dropchecker your co2 rate will vary depending on the tank

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post #5 of 6 (permalink) Old 03-10-2007, 10:11 PM
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Quote:
Originally Posted by eklikewhoa View Post
Even with a dropchecker your co2 rate will vary depending on the tank
Very true, I thought Maxim might benefit from being able to determine his approximate CO2 level though.
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post #6 of 6 (permalink) Old 03-10-2007, 10:26 PM
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Quote:
Originally Posted by Jeff5614 View Post
Very true, I thought Maxim might benefit from being able to determine his approximate CO2 level though.


Did not mean to imply that it was worthless but just stating that even with a drop checker the co2 varies from one tank to another.

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