Will there be enough O2

Discussion in 'Carbon Dioxide (CO2)' started by johnb, 21 Mar 2008.

  1. johnb

    johnb Member

    Joined:
    4 Mar 2008
    Messages:
    52
    Location:
    London
    Hi

    Rena Aqualife 200 x 50
    Dimensions: 201cm W x 51cm x D 70,5 cm H
    80 x 20 x 27
    Volume in litres: 717
    Tank Volume in imperial gallons: 157
    Water Volume in imperial gallons: 146

    Filtration
    FLUVAL FX5 Canister Filter x 2

    Co2 via an external diffuser into the outflow of the FX5.

    Will I need to get extra 02 via air stone or agitating the surface somehow or will the plants produce enough during the day ?, what happens at night ?

    Thanks in advance

    John B
     
  2. Themuleous

    Themuleous Member

    Joined:
    6 Jul 2007
    Messages:
    4,126
    Location:
    Aston, Oxfordshire
    In a highlight tank the plants should produce enough O2. Pearling is the plants producing so much o2 the water is saturated with it! My main tank runs the drop checker in the yellow green range and there is almost no surface water movement. I never see the fish gasping, and Ive got cory's.

    Sam
     
  3. ceg4048

    ceg4048 Expert/Global Moderator Staff Member

    Joined:
    11 Jul 2007
    Messages:
    8,953
    Location:
    Chicago, USA
    Ditto to what Sam said. I would be much more concerned about the "Do I have enough CO2" question. More CO2 will yield more O2 during the photoperiod (assuming you have good plant mass) providing enough saturation to last the night.

    Cheers,
     

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