Enough CO2? - The Planted Tank Forum
 
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post #1 of 3 (permalink) Old 08-16-2005, 09:07 AM Thread Starter
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Exclamation Enough CO2?

On my diy CO2 I made 2 days ago, I am wondering if I am getting enough out of it. I have a 20g planted tank and right now I'm at: 7pH, 4kH. The CO2 is at 12ppm. Do you think I should add another 2L bottle of diy CO2? I am getting about 3-4 bubbles/sec out of a air diffuser into a powerhead. That makes a real fine mist of the bubbles and they are extreamly small when they get to the surface. Should the CO2 bubles be totaly dissolved before they get to the surface of the tank? Oh yeah, does 17.9ppm kH= 1dkH ?
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post #2 of 3 (permalink) Old 08-16-2005, 12:12 PM
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I would work at getting the bubbles to diffuse better instead of adding another bottle. Any of those small bubbles that reach the surface are wasted co2. If you are really getting 3-4bps out of your DIY then you may end up with too much co2 though for the 20g. I have a 50g that I have pressurized set at 3bps with a lot of surface agitation and get 50ppm co2 out of it. 3-4bps seems a little high to get out of a DIY though. Do you have a DIY bubble counter somewhere else in the co2 lining or just next to the powerhead?


17.9ppm does equal 1dKH.

Cliff
450g Planted Discus Tank - Work in Process!
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post #3 of 3 (permalink) Old 08-16-2005, 08:31 PM Thread Starter
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No, I'm just counting the bubles coming out of my $2 TopFin diffuser I have set up below the powerhead intake So what should I do to get all the CO2 I can get into the tank?
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