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  1. We are after as many aquarium plant images that we can get, doing so will assist us in completing the aquarium plant database.

    https://barrreport.com/threads/aquatic-plant-images-wanted.14374/
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what happen to these two plant??

Discussion in 'Talk to Tom Barr' started by a-hua, Jun 8, 2010.

  1. a-hua

    a-hua Subscriber

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    hi

    questions again...:(

    [​IMG]
    Eusteralis sp from Vietnam
    the color on the leaf's edge become different(medile one)...just like melting...or *wet papper*...???

    [​IMG]
    Polygonum sp from Sao Paulo
    all the upper leaves fall down....??

    thanks
     
    #1 a-hua, Jun 8, 2010
    Last edited by a moderator: Jun 8, 2010
  2. a-hua

    a-hua Subscriber

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    someone nice in another web site replies the first pic is becuse the lack of fe or trace, and the second is too much co2...
    what do you think?
     
  3. dutchy

    dutchy Plant Guru Team
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    Too much CO2? Aquatic plants never get too much CO2. You could have 200 ppm in there and they would just grow better and bigger. Looks more like NO3 limitation to me.
     
  4. Tom Barr

    Tom Barr Founder
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    What does too much cO2 even look like?
    Stay away from folks telling you that.

    The two plants are fairly easy to care for.
    You can see the plants next it are fine.

    Rather than too much, it's much more likely it's too little of something.
    Plants melt when they suddenly run out of CO2, or stunt their tips.
    Another thing might be lighting change, new bulbs etc.

    Some will melt back then.

    You can do some water changes, add the ferts back and see how recovery goes.
    CO2 is much harder to address than the ferts, which are rather easy.

    You have algae all over the back, so the tank is not getting the care and effort it could. PO4 lacking, lacking CO2 something......... that's a heavy crust of GSA.

    Regards,
    Tom Barr
     

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