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Thread: Advice on Metal Halide for 75 gallon tank

  1. #1
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    Advice on Metal Halide for 75 gallon tank

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    is it enough to use 2 MH 100watts for 75 gallons tank? or 3 MH 70watts? which is better? or get more watts...

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    Re: advice in Metal Halide

    what is the dimension of 75 gallons? I was thinking about 2x150 Watts
    -Robert
    Aquascaping is a marriage between Art and Farming
    My Blog: http://aquatic-art.blogspot.com/

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    Re: advice in Metal Halide

    48 inches by 20 inches by 18 inches... 300watts? isn't it to much?

  4. #4
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    Re: advice in Metal Halide

    Quote Originally Posted by jimsuy View Post
    48 inches by 20 inches by 18 inches... 300watts? isn't it to much?
    Depends on how high you mount them, what kind of reflectors you're using, how heavily planted the tank will be, what kind of fert dosing schedule you'll be using, what kind of plants you intend to grow.

    Hard to say..

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