400 watt MH lighting

Discussion in 'Metal Halide Aquarium Lighting' started by Dustin Hale, Feb 2, 2006.

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  1. Dustin Hale

    Dustin Hale Plankton

    Joined:
    Feb 2, 2006
    Messages:
    1
    Location:
    Maryland
    How far should i keep my 400 watt mh off the top of my tank?:-[ :-[
     
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  3. NUGIO

    NUGIO Corkscrew Tentacle Anemone

    Joined:
    Dec 5, 2003
    Messages:
    734
    Location:
    MO VAL, CA
    how many you adding? tank size? ive got mine at 10".just high enough to avoid splashing