Montipora Plate Coral (Montipora capricornus) turning white

Discussion in 'General Coral Care' started by reef addict, 10 Jul 2013.

  1. reef addict

    reef addict

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    This morning I discovered my plate coral was white in the middle? Any reasons why
     
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  3. butcherman

    butcherman Moderator MASA Contributor

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    It could be several reasons. A picture would help us provide an accurate answer
     
  4. reef addict

    reef addict Thread Starter

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    Here are the pics! Had problems uploading

    plate%20coral%20going%20white.jpg

    plate%20coral.jpg
     
  5. Visser

    Visser MASA Contributor

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    Yip, a picture could help us identify a possible problem.
    Did you change anything about your lighting recently. (replaced bulbs / increased intensity / moved coral higher?)
     
  6. butcherman

    butcherman Moderator MASA Contributor

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    do you dose kalk?

    Is your tank prone to sand storms?

    If yes then one of these might be your answer.

    Can you seen any polyp extention on it? If not, it might have been eaten by a monti eating nudi.
     
  7. reef addict

    reef addict Thread Starter

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    No nothing was changed! Checked water parms and all in check! Could my cleaner shrimp be the cuase?
     
  8. Visser

    Visser MASA Contributor

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    First time ive seen a monti turn that color... Looks like a fungi infection or something (not that ive ever seen that on a sps...)
     
  9. reef addict

    reef addict Thread Starter

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    Yes I do dose kalk? Usind the slurry method! I have the green variety as well as his doing well
     
  10. Fraser W

    Fraser W Swazi Reefer

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    I have a green plating monti that has for the second time started to get white patches on parts of the coral both times i have checked my alk and it was low at 6 dhk - 7 dhk.. could be one of the reasons

    then when i added something to get the alk back up took few days and was green and back to normal colour
     
    Last edited: 10 Jul 2013
  11. 459b

    459b Moderator MASA Contributor

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    Looks like physical damage. What fish do you have?
     
  12. tekkengal

    tekkengal Moderator

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    Did you pour RO water (or any other sources of freshwater) on it?
    I almost lost my first monti because I did an iodine dip with RO when I got it...:whistling:
     
  13. reef addict

    reef addict Thread Starter

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    No fresh water dip at all! Strange as the green one is still ok!
     
  14. reef addict

    reef addict Thread Starter

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    1x canary wrasse
    1x fire goby
    1x cleaner shrimp
     
  15. reef addict

    reef addict Thread Starter

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    @459b I also thought of physical damage as the white appeared over nite! My suspect was the cleaner shrimp. Just a thought, did a water test and every thing is ok!
     
    Last edited by a moderator: 26 Nov 2015
  16. butcherman

    butcherman Moderator MASA Contributor

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    Either some kalk landed on it. Or somethings eating it. I had a monti eating nudi destroy my colony once. Look for tiny white eggs.
     
  17. fcad

    fcad

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    white spots

    Did you ever check magnesium?
     
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