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Black spots on Anubias and Java fern leaves.

Discussion in 'General Plant Topics' started by scorpio, Jan 26, 2010.

  1. scorpio

    scorpio Junior Poster

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    Anubias and Java fern leaves in tank having a lot of black spots. How can I remove it.
     
  2. Tom Barr

    Tom Barr Founder
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    Generally a CO2 issue, it has nothing to do with EI.

    I've raised and sold more Java fern as a hobbyists than most over the years, Anubias as well.

    Neither plant is demanding as far nutrients, but low light and good CO2 make them grow very nicely.

    Regards,
    Tom Barr
     
  3. jonny_ftm

    jonny_ftm Guru Class Expert

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    +1

    Over one year keeping anubia and java fern, since following Tom advices on CO2, I have no longer to prune leaves because of black spots and I have no issues on them. Just shade them also with floating plants if needed
     
  4. scottward

    scottward Guru Class Expert

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  5. TheKillHaa

    TheKillHaa Prolific Poster

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    if, after having a good co2 the fern leaves still black, then increase 5ppm your dose of K.

    regards.
     
  6. Biollante

    Biollante Lifetime Charter Member
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    +1

    CO2 then K

    Biollante
     
  7. candsautoservice

    candsautoservice Junior Poster

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    hello what you mean K ?? YOU MEAN POTASIOUM ??
    i have the same problem for 3 months now
    THANKS
     
    #7 candsautoservice, Feb 4, 2011
    Last edited by a moderator: Feb 4, 2011
  8. barbarossa4122

    barbarossa4122 Guru Class Expert

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    Yes, K is potassium.
     
  9. dutchy

    dutchy Plant Guru Team
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    +1

    low CO2 in combination with high light.

    regards,
    dutchy
     
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