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  1. #1
    Senior Member Deafboy's Avatar
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    SPS losing tissue

    What would cause this? It affects only one coral. I got this coral from Greg when he took down his tank a few months ago. I'm not certain about the type of coral. It looks like a fuzzy acropora. Parameters are OK. I increased alk with reef builder one or two weeks before this has started. The tissue loss has been going on for about three weeks now.

    Any suggestions?

    Michel
    20 g reef, 72 g reef

  2. #2
    Senior Member Khoa's Avatar
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    what are your salt gravity?

    i had the same problem.
    The only thing you can do now if its spreading fast.. You will have to frag it and place them where there's flow.
    Newbie in training

  3. #3
    Senior Member Deafboy's Avatar
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    Here are the parameters:
    SG 1,0235
    Alk 7 dKH
    Ca 430 ppm

    Temperature has varied during the heat wave a few weeks ago. I estimate it went up to 87F for a day or so.

    Michel
    20 g reef, 72 g reef

  4. #4
    Senior Member tang_man_montreal's Avatar
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    How large and how fast was the temp swing??
    I'd say that the temp swing stressed your tank. Especially if it went up to 87.....
    I am Homer of BORG... Prepare to be..OOOO!! DONUT!!!!!!

  5. #5
    Senior Member Deafboy's Avatar
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    It was during the heat wave a few weeks ago. I'd say the temperature was too high for 2 days. We installed the air conditionner after that. I don't remember if the SPS problem started before or after the temperature jump. I have tricolor acros that weren't affected.
    20 g reef, 72 g reef

  6. #6
    Senior Member Khoa's Avatar
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    you're lucky.. i bought a tri colour acro colony for 2 weeks and within that heatwave, i've lost the whole colony.

    Its also because my salt gravity was low also..
    Newbie in training

  7. #7
    Senior Member
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    Cool

    yes the temp swing like that will do damage.
    KHOA, low salinity within reason won't harm most corals. people have run from 0.019 right up to 0.028 with 0.024 being an opptimum number IMO. Its as long as there wasn't a swing of salinity as opposed to a slow climb or fall.

  8. #8
    Senior Member Khoa's Avatar
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    Thing is, only that colony died?
    All my other frags have grown an inch within a month.
    Newbie in training

  9. #9
    Senior Member Deafboy's Avatar
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    Here's a picture of the SPS. It looks really bad on this side but the other side is much better. This SPS has blue tips with brown polyps or tentacles (which gives it that fuzzy appearance).

    Michel
    20 g reef, 72 g reef

  10. #10
    Senior Member Khoa's Avatar
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    Um sorry to say this but its dead.
    It wont survive...
    Newbie in training

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