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zoas have bleached

Discussion in 'Help and Advice' started by kiff, Jun 19, 2010.

  1. kiff

    kiff Registered

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    Hiya all, some of my zoas have bleached and Others are fine, will the bleached ones regain there colour ?

    cheers k
     
  2. Dan1

    Dan1 Registered

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    Have you any idea why they have bleached? Are they under intense light?

    Dan
     
  3. killi

    killi Moderator & Jedi Master

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    i must be honest i have never heard of zoes bleaching,[any pics], but i know zoes can go white if they get zoepox ,,,,pete
     
  4. kiff

    kiff Registered

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    Sorry, they are white lost there colour , whats zeopox ?
     
  5. killi

    killi Moderator & Jedi Master

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    no need to be sorry m8 ,I'm just saying [ I have not heard of Zoe's bleaching ] not that it doesn't happen ,but i have seen zoe pox and when your Zoe's have it they do turn white ,and in the end just turn to mush ,the reason for my thinking its zoepox is you say some have turned white and some are OK ,IMO i would remove any infected ones , pete
     
  6. kiff

    kiff Registered

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    cheers Pete, been over on reef central and i dont think its the pox or at least how they say it is, unless its the very last stages, the best way to describe mine it is that they are all normal in the sense they open up and then close when touched, but are all colourless and just white ,

    cheers k
     
  7. killi

    killi Moderator & Jedi Master

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    ive found this could this be the answer ?
    How much (and what kind of) light actually reaches the corals in your tank also depends on the type of reflector in the light fixture, the temperature of the bulbs/lamps, the clarity of your tank water, etc.
    It's also important to note that different individual corals, even of the same species, can have very different lighting requirements and ideals. Often times, the same types and species of wild caught corals come from different depths and different water clarities. It's nearly impossible to know what kind or how much light was getting to your coral when it was first taken from the wild. One advantage of aquacultured corals is that you can know what light they were grown under. Beyond health, the color of any given zooxanthellate (photosynthetic) coral will change and adapt in response to the lighting it is placed under. All corals are vulnerable to bleaching if not allowed to acclimate to a change to more intense lighting. If your coral begins to bleach, move it to an area of lower lighting and feed it especially well
     
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