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lighting distance

Discussion in 'Are you new to aquatic plants? Start here' started by TheJohnner, Mar 27, 2009.

  1. TheJohnner

    TheJohnner Guest

    Local Time:
    7:54 PM
    I just received my new lights from Catalina. So now I am wondering how far above the tank i should mount it. The tank is 75 gallons and 20 inches deep. The light system has four T5 54 watt 6500K bulbs (two of them are "plant growth"). The two bulb types are staggered and have there own on off switches. So what do you think? 3 or 4 inches above???


    - John
  2. VaughnH

    VaughnH Lifetime Charter Member
    Lifetime Member

    Jan 24, 2005
    Likes Received:
    Local Time:
    1:54 AM
    I suggest running only two of those bulbs at a time, with the fixture an inch or two above the top of the tank. That, with pressurized CO2, will allow you to grow virtually all, if not all, aquatic plants of interest. Running all four bulbs will make it difficult to avoid lots of algae problems.

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