Sps turning white

Discussion in 'SPS Corals' started by Marnus Rossouw, 16 Aug 2016.

  1. Marnus Rossouw

    Marnus Rossouw

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    Hi hi. Can anyone tell me if he is dying or growing?

    image.jpeg
     
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  3. KevinOpperman

    KevinOpperman Noob

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    Hi!
    :welcometomasa1:
    I have no idea. I don't have any experience with this, but I would like to welcome you to MASA. I'm sure someone will be able to help you soon!
     
  4. Andre@ReefAquatics

    Andre@ReefAquatics Sponsor

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    Hi and welcome. A wee bit unclear but to me it looks like you have stn (slow tissue necrosis) this is not white tips aka growth tips. So unfortunately this is bad news. Is it a new addition to your tank?

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  5. viper357

    viper357 Admin MASA Contributor

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    Can you post a photo under white lighting? Too difficult to see anything under blue lights. :)
     
  6. Ricky W

    Ricky W

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    Else if it's new it looks like it could be bleaching. Agree with Andre it doesn't look like growth tips
     
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  7. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    image.jpeg image.jpeg image.jpeg Thanks I am happy to join the forum. They are now in the tank for 11 days.
     
  8. I.R.Ben

    I.R.Ben

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    According to a Tidal Gardens video on youtube it is better to buy small frags because large colonies have grown to the flow and light of their previous tank so they are not use to yours. It is like when you replant certain plants you have to plant it facing the same way so that the sun will hit it at the same angle. So I would suggest you frag a small piece off each and place them in lower light. The bleaching can also be due to stress. Did you acclimate the corals properly?

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  9. 4age

    4age

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    Definitely looks like stn from the base up.how stable are your tank parameters?how are you maintaining kh and Calcium?have you recently started running gfo?

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  10. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    image.png No not running gfo. I did acclimate them good. But not with the lights. I found this on the net, will it help?
     
  11. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    Or to move them to a darker spot in the tank?
     
  12. 4age

    4age

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    What about your parameters ? Stn/rtn most commonly caused by fluctuations in tank parameters. How long is the tank running

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  13. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    Temp 27.6
    Salinity 1.024
    Nitrate 1
    Nitrite 0.05
    Ammonia 0
    Alkalinity 9.5
    Magnesium 1500
    Calcium 500
    Ph 8.1
    Phosphates 0.16

    Most of my coral have closed about 2 days ago and do not open so nice as before.
    The only parameters that have changed recently is the calcium, magnesium and phosphates.
    The only thing that I have changed was I have put a sump in and a reactor. That was just before I put the sps in.
    One of my sps did not show any signs yet but he gets a little less light than the other ons.
    Tank is nou running for 3 months. All the other corals have done good so far. Torch and frogspawn began to split.
     
  14. butcherman

    butcherman Moderator MASA Contributor

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    Hi there
    Your temperature is to high
    your nitrites indicate the tank is cycling and the nitrates being so low with a high alk will cause issues with sps

    You need to lower the temperature find out why the tank is still cycling. And either raise nitrates or lower your alk.

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  15. 4age

    4age

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    Tank is also fairly young..things still need to stabilise

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  16. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    Hi. Oky where should the temp be? Shouldn't the alk be between 8 and 11?
    Nitrates have being there for about a month now and I am not dosing anything to keep it there.
    How kan I take the nitrates up or lower the alk?
     
  17. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    For what reason could the calcium be so high?
     
  18. 4age

    4age

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    how are you maintaining the parameters..are you dosing manually and if so, how often?
     
  19. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    I dose manually. Before I dose I test the calcium first. When I started the tank I ran the 21 dae red sea reef mature and sins then I haven't dosed for calcium. It stayed at 450 till last week.
     
  20. butcherman

    butcherman Moderator MASA Contributor

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    In ulns systems or systems with low nitrates and phosphate, alk needs to be around 8 anything close to 10 will start burning the corals.

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  21. Marnus Rossouw

    Marnus Rossouw Thread Starter

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    O oky how can I reduce that?
     
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