One AI Hydra26HD or switch to two AI Prime HD

Discussion in 'Aquarium Lighting By Dana Riddle' started by Jaysushi, Feb 9, 2018.

  1. Jaysushi

    Jaysushi Active Member Build Thread Contributor

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    Hey everyone I have a question about lighting.
    I'm currently using one ai hydra 26hd and was wondering if it is enough for my tank.
    Or should I switch to 2 ai prime hd.

    My tank dimensions are 30"L x 18"W x 18"H
    Please let me know your opinions, thank you! :)
     
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  2. SDboatguy

    SDboatguy Active Member

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    You already have a 26hd, I'd add another, instead of buying 2 Primes.
     
  3. Luis Alfredo Najera

    Luis Alfredo Najera Member

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    2 primes for even light distribution
     
  4. Jaysushi

    Jaysushi Active Member Build Thread Contributor

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    I thought about picking up a second hydra, but how about adding one prime to my hydra. Would that be acceptable?
     
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  5. Luis Alfredo Najera

    Luis Alfredo Najera Member

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    i have a 26.5x 21 x 19 and have a hydra 26 HD and that's enough for my tank, I keep soft and shrooms on the outskirts LPS middle and sps on top
    you know what i just realized my tank is 26.5 x 21 x 9 with one hydra 26 HD and all corals are growing one hydra is enough i put sps on top Lps - middle and mushrooms on the outskirts
     
  6. Jaysushi

    Jaysushi Active Member Build Thread Contributor

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    That makes me feel relieved lol. Just wasnt sure if I had enough for lighting.
    What is your light schedule if you don't mind me asking, also each spectrum percentage.
     
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  7. Luis Alfredo Najera

    Luis Alfredo Najera Member

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    i like my more blue then white i follow the ab settings its for LPS some low light sps and zoas shrooms
    uv 118%
    violet 118%
    royal blue 140%
    blue 116%
    green 20%
    red 25 %
    and white at 15% just use the acclimation mode you dont want to fry your coral with too much light
    7 hour schedule with 1 hour or two of ramp time
     
  8. SDboatguy

    SDboatguy Active Member

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    Really depends on what is in your tank - SPS\LPS vs softies & shrooms...My tank (60"x18"x20") SPS dom has 3 x Hydra 26HDs and 4 T5 . I have the Hydras 18" apart (center to center of the fixtures)
     
  9. Jaysushi

    Jaysushi Active Member Build Thread Contributor

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    I have a variety of corals in my tank. a couple pieces of sps acros, a good majority are lps and 3 shrooms.
    I looked up the brs coral lab ab+ schedule and intensity and I mimicked that. I set my lights on acclimation like @Luis Alfredo Najera said so I don't blast them at full intensity.
    We'll see how this schedule and lighting intensity does for my acros. I believe with the spectrum percentages from the ab+ that it will satisfy the sps a lot.
    My light is hung 12" above the water surface and in the middle of the tank. Seems like the coverage will be good.
     
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