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  1. HPHP80620
    Thread

    Metal Halide and UV B & C

    Any info on the adverse effect of UV in these BULBS?
    Thread by: HPHP80620, Nov 22, 2007, 3 replies, in forum: Metal Halide Aquarium Lighting
  2. HPHP80620
    Post

    What kind of lighting do you use?

    2 x 400 watt HQI 20K with 8 55watt 50/50 PC over a 60" long 120 gallon high. ALL DIY..
    Post by: HPHP80620, Nov 22, 2007 in forum: Reef Lighting
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