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Thread: Co2 injection

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    StifflerMichael's Avatar
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    I was in a conversation with a plant biologist, who mentioned when looking at a lowland terrium setup, that it should be 'starved' for CO2. Made sense to me, a bunch of plants all in a closed container and photosynthesizing like mad...CO2 concentration should be low. I use a DIY (do-it-yourself) CO2 injector using yeast, sugar, water, a 2L soda bottle and some airline tubing for my planted tropical fish tank...and the plants really grew awesome after I started this. And it's cheap, like $2 per week. So I thought, why not do a similar thing with my 55 gallon lowland terrarium: I could use 2 soda bottles (so twice as much yeast and sugar solution) and bubble the CO2 through a small cup (so I know it's making CO2). What do you all think, so you think the plants will grow better? Anyone else try something like this. BTW, I know they also sell CO2 generators for hydroponic stuff.

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    rattler's Avatar
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    i know when it comes to growing pot CO2 injecting is well documented for increasing yeilds(surprising what general growing info you can get reading up on growing marijuana). it more than likly will help plant growth if your chambers are fairly close to being air tight but i know it would probably show no difference in my intermediate/highland set up cause i have to many holes [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_n_32.gif[/img]
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    Tropical Fish Enthusiast jimscott's Avatar
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    Here's a crazy thought: How about putting a Betta in a bowl in the terrarium, that will also introduce an unknown amount of CO2, while deriving benefit from the plant's O2?

    If I remember correctly, at night, the process is on reverse, with the plants producing CO2.

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    I tried CO2 injection into my planted tank for awhile, but didn't see a big change. Might have been too much turbulence in the water, or that i wasn't fertilizing properly.

    The horror stories about DIY CO2 generators gone wild started to get to me after i smelled the remnants of the process while disposing of used-up mixes.

    Maybe you should just build a huge grow chamber and sleep in there. That would solve the CO2 problem. [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]

    You're right JimScott. At night, plants respire. They metabolize the sugars from the day's photosynthesis to grow and perform the other life processes, just like heterotrophs do all the time. In fact, that can create large swings in the CO2 concentration in aquariums with CO2 injection, which in turn causes large pH swings, potentially killing denizens.
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    Quote Originally Posted by [b
    Quote[/b] ]Maybe you should just build a huge grow chamber and sleep in there. That would solve the CO2 problem.
    Ah, but you see, according to a biology professor I once had, sleeping (at night) in an enclosure/room with too many plants can be almost fatal due to competition for O2. If that really is the case, what we really need to do is spend all day locked up in the growspace and come out only at night! [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_n_32.gif[/img]

    Cheers

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    Good point. Okay, anyone willing to sponsor me as their daytime professional CO2 generator? [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_m_32.gif[/img]
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    Tropical Fish Enthusiast jimscott's Avatar
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    Quote Originally Posted by [b
    Quote[/b] (shokuchuu @ Oct. 13 2005,3:28)]If that really is the case, what we really need to do is spend all day locked up in the growspace and come out only at night! [img]http://www.**********.com/iB_html/non-cgi/emoticons/new/smile_n_32.gif[/img]

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    StifflerMichael's Avatar
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    Quote Originally Posted by [b
    Quote[/b] ]Okay, anyone willing to sponsor me as their daytime professional CO2 generator?
    Well, maybe as a hot air generator, lol!

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