CO2 combo? - The Planted Tank Forum
 
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post #1 of 7 (permalink) Old 04-02-2013, 12:40 PM Thread Starter
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CO2 combo?

What about using DIY CO2 and Flourish Excel? Good idea or bad idea?

55g: Finnex Planted+ and MonsterRay, Pressurized CO2 w/ Atomic inline diffuser, Eheim 2217, Eco-Complete, EI ferts. Lemon, Glowlight, and Black Neon Tetras; Harlequin Rasboras; Otos. Staurogyne repens, Hygrophila corymbosa, Ludwigia repens, Ludwigia glandulosa, Red Melon Sword, Wisteria, Water Sprite.

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post #2 of 7 (permalink) Old 04-02-2013, 04:19 PM
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There isn't really a need to use Excel if you are using CO2.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
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post #3 of 7 (permalink) Old 04-02-2013, 05:45 PM
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Originally Posted by Darkblade48 View Post
There isn't really a need to use Excel if you are using CO2.
Depending on the rate of diffusion and the actual water CO2 concentration, this may be the case.

To me, it sounds like you're overcomplicating things a bit and asking for trouble.
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post #4 of 7 (permalink) Old 04-02-2013, 06:15 PM
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nah.. i would rather choose one...now
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post #5 of 7 (permalink) Old 04-02-2013, 09:52 PM
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It won't do any harm to use both, but it will cost you much more than necessary. If you are trying to get rid of some BBA you might want to use both until you kill off the BBA, but I don't see much benefit otherwise.

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post #6 of 7 (permalink) Old 04-02-2013, 11:28 PM Thread Starter
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Originally Posted by gSTiTcH View Post
Depending on the rate of diffusion and the actual water CO2 concentration, this may be the case.
That's what I'm worried about, the whole diffusion thing. How do I know if I'm getting enough CO2 distributed throughout my tank.

55g: Finnex Planted+ and MonsterRay, Pressurized CO2 w/ Atomic inline diffuser, Eheim 2217, Eco-Complete, EI ferts. Lemon, Glowlight, and Black Neon Tetras; Harlequin Rasboras; Otos. Staurogyne repens, Hygrophila corymbosa, Ludwigia repens, Ludwigia glandulosa, Red Melon Sword, Wisteria, Water Sprite.

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post #7 of 7 (permalink) Old 04-03-2013, 01:23 AM
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Originally Posted by Smeagol View Post
That's what I'm worried about, the whole diffusion thing. How do I know if I'm getting enough CO2 distributed throughout my tank.
The cheapest way is to use a drop checker, and move it to different points throughout your aquarium.

Of course, a drop checker is only an approximation of the amount of CO2 that is being diffused into the water column, and not a precise measurement. For that, you would need a CO2 meter (expensive).

Another (cheap) alternative is just to watch your plants.

Anthony

A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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