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AI`s over 75G

Discussion in 'General Discussion' started by MXC207, Apr 22, 2011.

  1. Apr 22, 2011 #1
    MXC207 Cedar Rapids

    MXC207 Well-Known ReefKeeper

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    Just wondering if anybody else is running the AI's over a 75G and what they have their lights set up for. I just got mine a few weeks ago, have it 14" above the tank and all the lights at 23% and theres still alot of unhappy corals, and i've even bleached and killed a few of them. One being a birdnest colony the size of a football. NOT HAPPY. I've tried calling AI but they dont ever answer. All the lights set at 23% is pretty dim, and if I cant get it more bright without killing more stuff Im afraid Ive made a costly mistake. Anyone got some input? Thanks!!
     
  2. Apr 22, 2011 #2
    Gordo Dallas Center

    Gordo

    212
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    I have 2 over a 46 bowfront for a few months now.  I have them 15 inches above and I run them at 50% with no problems.  How many AI's are you running?
     
  3. Apr 22, 2011 #3
    MXC207 Cedar Rapids

    MXC207 Well-Known ReefKeeper

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    Holy crap!!!! Im running 2 AI Blues
     
  4. Apr 22, 2011 #4
    xroads La Porte City, IA

    xroads Veteran Reefkeeper Vendor

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    Have you used a par meter to check your settings? You may actually be way too low of light at 25%
     
  5. Apr 22, 2011 #5
    MXC207 Cedar Rapids

    MXC207 Well-Known ReefKeeper

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    No i dont have a par meter. After what gordo said I just put em up to 40% across the board and Im gonna try that. Is there any way you could do a par reading at 14" on a similar tank at your store Craig?
     
  6. Apr 22, 2011 #6
    xroads La Porte City, IA

    xroads Veteran Reefkeeper Vendor

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    I will have to measure mine, but at about 10 inches under the water we run anywhere from 200-300, which is not horribly high. If I remember right 50% drops it under 100. I am pretty sure we are about 20 inches over the water though.

    I bet you were only getting 80 par at that setting.
     
  7. Apr 22, 2011 #7
    MXC207 Cedar Rapids

    MXC207 Well-Known ReefKeeper

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    What settings would you recommend than craig?
     
  8. Apr 22, 2011 #8
    MXC207 Cedar Rapids

    MXC207 Well-Known ReefKeeper

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    What settings would you recommend than craig?
     
  9. Apr 22, 2011 #9
    xroads La Porte City, IA

    xroads Veteran Reefkeeper Vendor

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    Start with 50% and see what happens. Cant be worse then you are having now.
     
  10. Apr 22, 2011 #10
    MXC207 Cedar Rapids

    MXC207 Well-Known ReefKeeper

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    Alright thanks craig!!
     
  11. Apr 22, 2011 #11
    iaJim

    iaJim Inactive User

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    I run mine around 65% and I'm only about 8 inches above the water in a 58 gallon tank. I think you're way too dim. My corals have done great, and I have a pink birds nest really high on my rockwork. It wasn't happy at 75%, but likes 65% just fine. I'm running two modules about 8 hours a day.
     

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