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Using Co2 for the 1st time

Discussion in 'CO2 Enrichment' started by Damian Smith, Feb 28, 2010.

  1. Damian Smith

    Damian Smith Junior Poster

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    Hi,

    I have on order a Co2 kit and was just wondering the following.

    Once i have my light and co2 rigged to come on the right intervals ie co2 on a few hours before and after the light ing run of around 5 hours. Should I run my air pump during the night for the fish or should the plants be able to sustain the fish?

    Heres a pic of the newly planted tank. It has been up and running about 4 years since our last house move.

    [​IMG]
     
  2. Gerryd

    Gerryd Plant Guru Team
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    Hi Damian,

    Plants produce c02 at night just like fish...I would keep the air running at night.

    Could you please provide some detail on the following:

    1. Size of tank.
    2. Type of lighting.
    3. Substrate.
    4. C02 delivery method.
    5. Filtration

    C02 can be affected by many other factors, so the more info you provide the better advice you will receive.
     
  3. bradac56

    bradac56 Prolific Poster

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    Plants uptake oxygen at night so I run an airstone at night on a timer it goes off about five minutes before my C02 starts.

    - Brad
     
  4. Left C

    Left C Lifetime Members
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    Plants undergo cellular respiration 24/7 just like we do. Not just at night like is commonly believed.
    http://www.worsleyschool.net/science/files/photosynthesis/page.html




    [​IMG]
    Aerobic respiration (red arrows) is the main means by which both plants and animals utilize energy in the form of organic compounds that was previously created through photosynthesis (green arrow).
     
    #4 Left C, Mar 1, 2010
    Last edited by a moderator: Mar 1, 2010
  5. jonny_ftm

    jonny_ftm Guru Class Expert

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    Yes, respiration is permanent, and probably more important during the photoperiod, unlike most think
    During photoperiod, the use of CO2 dominates the respiration process. During night, plants continue to breath using O2, but photosythesis stops, so no CO2 captation
     
  6. Damian Smith

    Damian Smith Junior Poster

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    Sorry about the tank specs, these are from memory

    I have added the details as I can remember
    Thanks
    Damian

     
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