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Cabomba furcata deficiency

Discussion in 'CO2 Enrichment' started by zeneo, May 13, 2008.

  1. zeneo

    zeneo Junior Poster

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    Hello,

    What could be the problem for this?
    GoneToEarth072.jpg
     
  2. Mooner

    Mooner Lifetime Charter Member
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    Welcome to the forum Zeneo.

    Can you give us your tank specs and dosing routines so we may better help you
     
  3. zeneo

    zeneo Junior Poster

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    The plant is for about 2 months in the tank, doesn´t grow much but it seems Ok until now.

    Tank: 128 L
    Light: 138Watt 9 Hours
    PH: 6.8 - I use -seachem ph buffer, my tap water is 8 to 8.5 PH
    KH: 4
    GH: 9 - the tap water varies from 9 to 13
    Co2: Pressurized
    Substrate: Seachem fluorite, I also used some Kanuma, a kind of substrate like Akadama but for plants that like more acid, like azaleas. I've used it before in other tanks with good results.

    Ferts:
    2 times/Week
    Kno3: 10ppm(N)
    Po4: 1.2ppm
    K: 10ppm
    Fluorish
    Traces
    Iron: 0.2 daily

    Water change: 20 - 40 L weekly

    The tank was started in February, all the plants are Ok but don't grow too much beside Hemianthus Micranthemoides. What is fine for me.
    GoneToEarth069-1.jpg
     
  4. PeterGwee

    PeterGwee Lifetime Charter Member
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    Seems like a CO2 issue to me since that plant is a weed under good conditions. Also increasing the frequency of dosing to 3x a week instead of twice.


    Regards,
    Peter Gwee
     
  5. zeneo

    zeneo Junior Poster

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    Could be.

    But I supose if it was a Co2 or fert. issue, I'll had some similar problems with other plants also. In Didiplis Diandra maybe. This one is allways green.

    I didn't explained myself well, sorry, writting in english is a bit hard for me.

    The stem in the end of the plant turned white, rot and die. Started a week ago.

    Plants:
    Star grass, Hemianthus Calitrichoides, Didiplis Diandra, Rotala Green, Ludwigia Arcuata, Hemianthus Micranthemoides, Anubia and Cabomba furcata.

    Could it be excel toxicity? I started to have some BBA and haded some by that time, not too much, directly in some anubias and driftwood without water movement for some minutes. But this algae also indicates low Co2, I just find strange for the plant to die so quickly.
     
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