LPS struggling - Assumed to be lack of water change

Discussion in 'General LPS Discussion' started by johnnyenv, Dec 2, 2017.

  1. johnnyenv

    johnnyenv Active Member

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    Hello,

    I was hoping for some pointers regarding my tank. Pretty much the following Corals are not doing as well as they used to

    Blasto - All heads quite small.
    pulsing Xenia - Fully recessed for weeks
    BTA - somewhat recessed
    Torch - Somewhat recessed
    Chalice - Slight bleaching
    GSP - Doing fine
    Zoanthids - not all open

    Now I can tell you that I've not done a water change in months which is what I suspect is the problem.

    My tank parameters are
    NH4 - 0
    NO2- 0
    NO3 - 0 (I can't detect any using the colour kits, everything else is a Hanna Instruments checker reading).
    PO4 - 0.05
    DKH - 10
    Salinity - 1.026
    MG - 1200
    Calcium - 530 (I know this is high, I'm trying to bring it down).
    PH - 7.9
    Temp - 24.0

    Lights are XR30 Pros at 30% power for 8 hours a day.
    There is a Skimmer running on the system as well as Phosgaurd reactor, Carbon Reactor and a ALR15 Algae reactor.

    I'm assuming given my crucial parameters are fine that the tank is starved of a type of trace element however I have no idea how to test for this?

    I am dosing Iodine and Reef trace by Seachem twice weekly as well as 10ml of Red Sea NOPOX daily.

    Any help would be great.
     
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  2. Dsnakes

    Dsnakes Knight Reefer R2R Supporter Build Thread Contributor Partner Member 2018

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    Do you have any livestock in there, or do you broadcast/target feed them?
     
  3. johnnyenv

    johnnyenv Active Member

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    Porcupine puffer
    Regal Tang
    Banana Wrasse
    Rainbow Wrasse
    Peacock wrasses x2
    Fox face
    Flame Angel
    Cerub Angel
    Orange spotted Goby
    Clown fish
    Halloween hermits
    Various snails
    2x scarlet shrimp
    XL urchin
    Sand sifting starfish
    Feather dusters
    Serpent star
     
  4. Mal11224

    Mal11224 Well-Known Member R2R Supporter Build Thread Contributor Partner Member 2018

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    Water change might help to put some trace elements back into your water. Looks like you have no nutrients in your tank and I noticed that your Alk is around 10 Dkh, which is kind of high for a low nutrient tank. I have nitrates at 5 ppm and level my Alk at 8.2 dkh. Could be why some corals are bleaching. Lack of nutrients may be why they aren't happy. May need to spot feed and make some minor adjustments to your tank parameters.
     
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  5. johnnyenv

    johnnyenv Active Member

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    I think I might be over filtering as with zero water changes in months to run zero nitrates given the level I feed seems odd.

    BiDaily
    Cube of Mysis,
    many pieces of large krill (Mainly for puffer)
    blood worms
    brineshtrimp
    Pellets

    I am dosing trace elements but only recently so I'm wondering if they are that badly depleted I'm having issues.

    Thanks for the advice on Alk.

    The reason its high is I can't seem to grown Coraline algae, it starts then perishes away.
     
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  6. Mal11224

    Mal11224 Well-Known Member R2R Supporter Build Thread Contributor Partner Member 2018

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    Yeah, with no water changes, the need for supplements is necessary. Gets depleted after a while. The high alk is not a big issue, just need some nutrients in the tank. The corals have nothing to consume.
     
  7. johnnyenv

    johnnyenv Active Member

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    Anything in particular you’d recommend I target feed them with?
     
  8. Mal11224

    Mal11224 Well-Known Member R2R Supporter Build Thread Contributor Partner Member 2018

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    I like reef roids. I use that for my corals. Also, I use LRS reef frenzy as a meaty treat for my scolies, elegance and euphyllias. They grow fast and get chunky.
     
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  9. johnnyenv

    johnnyenv Active Member

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    Ordered some.
    I tested again last night and the Calcium is now 542 and Magnesium is 1280.

    My LFS advised me the high calcium is likely the reason for the current coral situation. Last week I had a leather just completely retract and now its practically disintegrating.
     
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