Urgent help needed Acan coral dying off

Discussion in 'Urgent Help Needed' started by Goldenoldie, 10 Apr 2014.

  1. Goldenoldie

    Goldenoldie

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    Please help. Have a piece of Acan coral which seems to be dying off from the outer edges inwards, (see pictures, before and now).

    All my water parameters seem to be OK - kH 8, pH 8.4, salinity 1.23. Phosphates probaby a bit high at 0.64, but all my other corals are thriving. It gets moderate light and water flow.
    I supplement with Red Sea Reef Foundation ABC and SeaChem Reef Builder on a weekly basis. Have dipped it in iodine solution, made no difference.
    Don’t want to lose this, so would be most grateful for any suggestions.
     
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  3. 459b

    459b Moderator

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    Can you post a pic of it?
    What lighting is it under?
     
  4. butcherman

    butcherman Moderator

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    i think your pictures did not post
     
  5. irie ivan

    irie ivan MASA Contributor

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    Your specific gravity 1.23 or 1.023?
    When you say other corals, please elaborate.
    What do you feed it?
    Why foundation and builder? What is your calcium at?
    What fish and inverts do you have?
    How long has acan been in tank?
     
  6. OP
    Goldenoldie

    Goldenoldie

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    Acan coral

    T5's - 4x ATI Aquablue Special (white) and 2x ATI Blue Plus.
    Pics attached (before and now).

    acan1.jpg

    acan2.jpg
     
  7. OP
    Goldenoldie

    Goldenoldie

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    Sorry, slip of the finger, salinity 1.023.
    I have a mixture of LPS, SPS, clams and soft coral. Tank has been up since 2003, Acan has been in my tank since 2006, it’s grown from a tiny piece of about 3cm.
    Fish - 1 x goldie, 1 x six-line wrasse, 1 x mandarin, 1 x fire goby, 1 x blue damsel, 1 x jumping bean. None have ever worried it.
    I feed it brine shrimp, finely chopped prawn meat, also dose tank with MarineSnow twice a week.
     
  8. 4age

    4age

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    whats your nitrates on?
     
  9. irie ivan

    irie ivan MASA Contributor

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    My 1st thought was stinging, but with nothing on the left side, i would think Predation. Added any new corals lately?
     
  10. OP
    Goldenoldie

    Goldenoldie

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    Nitrites virtually 0. Have added star polyps, but none are close by. In fact, I would rule out stinging. Also, cannot see anything making a meal of it. I'm baffled!
     
  11. 459b

    459b Moderator

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    This guy not nipping?
     
  12. NO3

    NO3

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    I recon 459 hit the nail on the head!
     
  13. OP
    Goldenoldie

    Goldenoldie

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    Re jumping bean, no, definitely not.
     
  14. archiecrain

    archiecrain

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    you had a candy cane in the 1st pic what does it look like now? did you move the Acan?

    Have you changed the lighting or flow recently?
     
  15. JohanB

    JohanB

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    Salanity seems low to me and phosphates of 0.6 is very high.
    But you have had it for a long time so it is probably used to it, still I would do something about the phosphates
     
  16. OP
    Goldenoldie

    Goldenoldie

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    Yes, renewed my lights in January and it hasn't done well since. Have moved it where it received less intense light (but similar flow rate), hasn't done the trick. Candy cane on the other hand is thriving.
     
  17. OP
    Goldenoldie

    Goldenoldie

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    Re phosphates, have recently given the substrate a couple of good cleanouts and weekly 10% water changes for the past two weeks. Another due on Monday.
     
  18. OP
    Goldenoldie

    Goldenoldie

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    Guys, just wanted to let you know that despite all my best efforts, the Acan coral has faded away to nothing. I'm heartbroken!
     
  19. Seabass

    Seabass

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    So sorry to hear about your loss. Incredible that you had it since 2006.
     
  20. Blue Reefer

    Blue Reefer

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    Are there any astrea starfish in your tank coz they are known to target acans.
     
  21. OP
    Goldenoldie

    Goldenoldie

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    No, the only ones I have are the threadlike ones (hope that not's what you're referring to!)
     

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