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Thread: CO2

  1. #9

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    Hi,

    the problem with CO2 is, how to keep it around your plants, not filling your own sleeping room.
    You will nee a sealed terrarium and than the stagnant air will do more harm to the plants than the additional C02 will benefit them...

    Ok, CO2 is "heavier" than air (~ 78% N2; 21% O2, 1% Ar) so it will stay for some time in a terrarium, but must of it will be lost.

    I tried it one time with Aldrovanda because everybody sayed thats such a difficult plant which needs this and that and those...
    But I stopped after 2 months and there was absolutly no difference.

    Give your plants enough light, this is much more usefull !

    Martin

  2. #10

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    From what I understand CO2 enrichment is only supposed to work for plants who's growth is being limited by lack of access to it. Non aquatic plants, having access to the atmosphere, are generally not limited by access to CO2 but by access to minerals and usable nitrogen, aquatic plants on the other hand have much more limited access to CO2 and will benifit more from enrichment although the aquatic CPs, living in water that contains a high amount of organic material, might get all the CO2 they need from decomposition of this material. My 2 cents worth.

  3. #11
    rubrarubra's Avatar
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    I read once about someone who has a bin of compost which produces CO2. He has a fan so that he can blow the warm CO2 into his greenhouse...
    rubrarubra

  4. #12
    Nepenthes Specialist nepenthes gracilis's Avatar
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    By goly it works! I just set it up in my main terrarium and it is working wonderfully! I am pleased with the system! Anyone who wants to try it do so! It is fizzing none stop! I am going to leave it on non stop. I used 2 9 oz. Plastic cups and proped one up on an upside down pot so it is above the baking soda filled cup. But anyone try it as it works!

  5. #13

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    Question

    I made my own co2 maker and its really working the sundews in my tank are growing about 30% faster then the sundews in my green house. Here's how I made it .
    One 2L soda pop jug filled with 6 cups of cool water.
    Then I put 3/4 a cup of sugar in with 1 tbsp of yeast .
    I made a hole in the lid of the jug and hooked up a tub to it and hot glued it in place . I run the tub into a small 7 oz pond I have in my tank. Only 2 hrs later CO2 started bubbling up .
    So on top of the more damp air that it makes the co2 speeds up the plant growth .

    It looks neat 2 [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]

    _-West-_

  6. #14

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    Isn't C02 heavier than air? I remember when i was little my dad's friend, who is a chem teacher mixed a bit of vinager and backing powder, and it fizzled....... he then 'poured' the C02 onto a burning match, and it went out... That would demonstrate that its heavier than air, wouldn't it? The fact that it 'pours'...? That would make me think the gas would just sit on the surface of the backing soda, in the cup... Something would have to stir it up, like air currents, wouldn't it? I'm probably wrong, but I would like to know how it DOES work...

  7. #15
    It's been one of dem days BigCarnivourKid's Avatar
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    Parasuco Posted on Oct. 24 2002,8:O4
    Quote
    .....That would make me think the gas would just sit on the surface of the backing soda, in the cup... Something would have to stir it up, like air currents, wouldn't it?[/QUOTE]

    As the CO2 is formed it displaces the air in the container forcing it out the tube. A good demonstration of this would be to pour vingar and baking soda into a pop bottle, then slip a balloon over the mouth of the pop bottle, forming a tight seal. As the vinegar and baking soda react and release CO2, the balloon will begin to fill with displaced air and CO2.

    The yeast system does the same thing, but at a slower rate.
    ---Steve Allinger---

    How come chicken fingers are bigger than buffalo wings?

    My Grow List

  8. #16

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    Ok, thank you... Hehehehe... [img]http://www.**********.com/iB_html/non-cgi/emoticons/smile.gif[/img]

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