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Gda

Discussion in 'Algae Control' started by charter, Apr 4, 2007.

  1. charter

    charter Guest

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    I have a 110g tank with an Orbit PC 4x96W light . I read that GDA is a sign of a healthy tank, does the GDA grow on the wood rocks and leaves or just the glass? I ask this question because I have only read about it on glass. I have changed my lighting time to 11hrs on two bulbs and 5hrs. on the other two.
     
  2. Frolicsome_Flora

    Frolicsome_Flora Guru Class Expert

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    I wouldnt say that GDA is a sign of a healthy tank at all, its the same as any other algae.. after all, if you cant see your plants cos of the GDA all over the glass, thats not really that desirable.
     
  3. charter

    charter Guest

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    4:44 AM
  4. Tom Barr

    Tom Barr Founder
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    I have tended to associate it with lower CO2 or low CO2 in the start of the day.
    It can be removed via blackouts+ Excel and then followed with good CO2 thereafter, Another method is letting it go for a few weeks, generally 3 till it starts changing and then cleaning very well followed by good CO2 thereafter.

    Some seem to have a lot of troubles with it, but it does little harm to plants like GW.
    So it's mainly just annoying.

    Regards,
    Tom Barr
     
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