sps lost some polyps!!

Discussion in 'SPS Corals' started by Parraman, 27 Jul 2012.

  1. Parraman

    Parraman

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    Got this new colony yesterday but i saw it lost some polyps in the middle.
    Must i frag the hole colony, dip it or just leave it?
    It does have nice polyp extention from the parts that didnt loose polyps

    All other new sps 100% fine

    [​IMG]
     
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  3. mytank

    mytank

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    Ahhhhh some hand picked from indo, I have the same one. Give it 24 hours monitor the loss, if the tissue keeps on loosing tissue then frag him. dipping does not treat STN or RTN.

    Did you acclimatize the coral and for how long?

    Polyp extensions do not matter in the case of STN and RTN as the top polyps have no idea the tissue is dying at the bottom.
     
  4. butcherman

    butcherman Moderator MASA Contributor

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    but if you frag, cut well into the good tissue ese the RTN of STN will continue. and throw the bad stuff away.
     
  5. mytank

    mytank

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    100% and well picked up. You need to do at least 5mm into the good tissue so don't leave it to late!
     
  6. Parraman

    Parraman Thread Starter

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    Just went home and fraged one piece and then i saw the kicker...
    When i put it back i could see the polyps falling off and that there were alot more damage than i thought.
    Fraged the hole thing and this humilis is as hard as rock!!!!!!!
     
  7. mytank

    mytank

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    I use a dremel its the cleanest cut.

    Good luck man, it really sucks trust me I know lost some as well.
     
  8. Parraman

    Parraman Thread Starter

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    yea but this is such a beautiful coral :(.

    Hole tank is coverd with led's. Must i turn the lights of for a while for the frags?
     
  9. mytank

    mytank

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    So the research I have done (and I strongly suggest you need to do some too) is that corals (SPS) that are experiancing STN or RTN in your case I suspect it is RTN, should receive less light. I have kept mine down on the substrate right now in good flow. A few things to note:

    1. On substrate but still get some decent light
    2. Good flow - means - NOT blasting flow but enough flow to remove any SPS slime etc that the coral might excreate.


    Unfortunately there is nothing you can really do around STN and RTN fragging is the only thing. It's like frost bite and amputation.

    A few other things:

    1. Did you acclimatize and for how long? (a little to late now but its something you will always do in the future :))

    2. Did you check for hitch hikers - Dipping? and for how long with what

    3. You not putting it in HIGH LIGHT or HIGH FLOW.

    4. You don't have any fish munching on it?


    Also what are your parameters?

    Please fill in:

    Ammonia:
    Nitrite:
    Nitrate:
    Phosphate:
    Calcium:
    Mag:
    Alk:
    PH:
    Temp:
     
  10. rakabos

    rakabos

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    Doctor Carlos is in da house!
     
  11. Monti

    Monti

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    RTN= Rapid Tissue Necrosis- coral goes in a day or less (often a few hours) . You can actually see the flesh peeling off. Nothing you can do but watch the coral pass on to the netherworld.

    What he has is Slow Tissue Necrosis typical of freshly shipped corals- stress related from handling/ air exposure/ temperature fluctuations etc. Very common in acros that have just been shipped.. Another sign is STN tends to (not always) happen from the base... RTN from the tips and branches.
     
    Last edited: 27 Jul 2012
  12. mytank

    mytank

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    hahaha trust me when you blow a few gorillas on some coral you do some serious reading and asking uncle @Adee on WhatApp late at night - sure he is getting pissed by now (not on his Windhoek Larger...)
     
    Last edited by a moderator: 26 Nov 2015
  13. Monti

    Monti

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    Also Ill be honest Acro Humilis (which is what that coral looks like but not 100% sure because well, pic IDs never work, but in general acros with similar forms have similar care levels) are a real PITA and do often struggle in tanks...very very high light high flow acro once settled.
     
  14. mytank

    mytank

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    @Monti - thank you, I thought RTN was just the speed at which it lost tissue regardless of the direction :)

    When you say high flow rate (I also have one) - do you mean infront of a MP40 high flow? High light = Just below the water line?

    I have mine at the bottom to allow it to adjust to the new environment. Or should it be already positioned as mentioned above?
     
    Last edited by a moderator: 26 Nov 2015
  15. Adee

    Adee

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    Ahhh sps, welcome to my world.

    Carlos, generally corals with thick hard stubby branches...are designed for high surge areas...so they can really take the flow...the thing with STN/RTN....and yes you, and the rest of us....WILL have it sometime in your tank...the other day, one of my yellow acro's in my DT decided to shed skin....such is this game, it happens...the easiest route to stop total loss is to cut and paste the healthy part/s...maybe even taking a left over to another reefers tank, in order to try and save the seed, that could perhaps grow back to its former self.
    Nice coral by the way...would also say its a humilus variant.
     
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