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Thread: LED lighting distance from surface

  1. #1
    Frequent Visitor MikeJT's Avatar
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    LED lighting distance from surface

    Ha anyone done any work on the best distance from surface for lighting? I'm assuming the closer the better (other than moisture issues).


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  2. #2
    Frequent Visitor Justin L's Avatar
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    Generally the manufacturer will suggest a height above water. Closer isn't necessarily better as LED's are multiple individual points of light and need some space to spread and blend correctly. Having the light too close to the water will result in spotlighting of specific colors/spectrums.

  3. #3
    Frequent Visitor MikeJT's Avatar
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    Quote Originally Posted by Justin L View Post
    Generally the manufacturer will suggest a height above water. Closer isn't necessarily better as LED's are multiple individual points of light and need some space to spread and blend correctly. Having the light too close to the water will result in spotlighting of specific colors/spectrums.
    I am using 4 Hydra 52 HDs on a 200 gal tank. Anyone know what AI recommends for distance above surface ?


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  4. #4
    Frequent Visitor Justin L's Avatar
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    I can't find any specific recommendations from AI, but a general consensus is 8"+. I have my Hydra 26 HD's at 10" AWL.

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