kessil 360we killing my corals??

Discussion in 'Coral' started by Jax925, Oct 2, 2017.

  1. how are you doing water changes? are you making sure the salt is sufficiently dissolved and mixed before adding to the tank?
  2. Jax925

    Jax925 Guest

    Was thinking maybe the upper branches were starting to shade the lower half of the birdsnest and starve it from light, but even the upper branches are not as vibrant as they once were. Alk has pretty much stayed the same.
  3. robert4025

    robert4025 Sponsor

    9 out of 10, it's always quality related issues when it comes to corals dying.

    You may want to do full panel testing...Alk, CA, Mg, Salinity and Temp. Your PO4 is high if it's 0.02. You should be targeting below 0.003.

    In addition, if anything, it seems like you're actually starving your corals of light. 25% white and 35% intensity seems pretty low.

    Also...considering your tank is only 4 months, weekly water change may be a bit too excessive because you are going to shock the heck out of corals that needs high organic goodies, such as softies and birds nest.

    Finally, corals are extremely sensitive to bleaching if Iodide level is low. You may want to check that also.
    Last edited: Oct 2, 2017
    Kmooresf and Tmjvb like this.
  4. Jax925

    Jax925 Guest

    Getting all my Salt and RO from LFS. I don't make my own.
  5. Jax925

    Jax925 Guest

    I agree that 35% seems low, but at 40 corals were burnin up.
    I need to check my Iodide, Im not sure what the # is at
  6. Jax925

    Jax925 Guest

    This was recommend from Kessil.
    But maybe I should look into lowering to 8.
  7. daddio

    daddio Supporting Member

    I have birdsnest corals 4 inches away from LEDs in 2" of water and they are happy. They get over 10 hours of daylight.
  8. Jax925

    Jax925 Guest

    Wow that's close!
    Mine is about 8" under water and kessil is mounted 10" above the water line.
    What kind of lights are you using?
  9. daddio

    daddio Supporting Member

    Just a crappy Marineland LED. But it is blasting some of my corals.

    *Lets talk temperature. Did you have a spike to 90 degrees?
  10. Jax925

    Jax925 Guest

    nope been a solid 80 for about 6 months
  11. rygh

    rygh Supporting Member

    Looking more, I think the problem is a lack of coral nutrients.

    >Softball size green birdsnest turning bone white from the bottom up thru the mid of the body. back corner mid.
    If light was really to bright, why would the sections with the least light (bottom and inside) die first?

    >All my Euphyllia doing great, 2 torch, 1 frogspawn, 2 hammers.
    Softies are usually more sensitive to excess light than hard corals, yet these are doing ok.
    The key difference: These can eat larger nutrients, directly from what you feed.

    Your nitrates are 0. (rare)
    You do large water changes every week.
    Your tank is still pretty new. No micro-fauna.
    You have fairly few fish.

    So my recommendation is to feed corals directly.
    Liquid Oyster feast in particular, spot fed.
    Then mix a few other freeze dried ones, and mix with fish food.
    ashburn2k likes this.
  12. Flagg37

    Flagg37 Officer at large

    You can pick up a triton icp test kit from Neptune if you want to double check your water chemistry. I have a hard time believing it’s too much light.
  13. Robert is a Reef God.
  14. Coral reefer

    Coral reefer President

    Is that for real? I thought .03 was good. Is there an accidental extra zero in there?
    Also, I'm curious how the OP is testing phosphate?
  15. Flagg37

    Flagg37 Officer at large

    I’m pretty sure there’s an extra zero. I don’t know of any testers that will get that low. Mine is at .2 right now (I’d like it to be .02) but nothing appears to be dying though.
    Coral reefer likes this.
  16. RandyC

    RandyC Supporting Member

    Hanna checker Phosphorus checker will go that low.

    Randy Holmes Farley recommends that phosphates be kept at < 0.03 ppm and suggests a target value of 0.02ppm.
  17. RandyC

    RandyC Supporting Member

    Newjack likes this.
  18. Flagg37

    Flagg37 Officer at large

  19. RandyC

    RandyC Supporting Member

    Ahhh...Gotcha, thought you were referring to 0.02.
  20. Flagg37

    Flagg37 Officer at large

    That’s a great article on phosphates from Randy though. I’m in the process of reading it.

Share This Page