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  1. #1
    Senior Member DARK's Avatar
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    Mercury Vapour Lights

    Could mercury vapour lights be used on a tank? I have access to 4 450 watt setups and am just wondering what impact one of these would have on a 90g I might be setting up in the future.

  2. #2
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    NO .. wrong spectrum
    Rob

  3. #3
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    Talking

    to ugly.

  4. #4
    Senior Member DARK's Avatar
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    Wrong spectrum, thats possible, I know they are white and if you stood 30 feet away and held your hand up in the light you could see right through your hand. Would additional information about them help or are they just wrong in everyway ?

  5. #5
    Moderator cres's Avatar
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    Mecury spectrum

    Yeah, it makes white looking light, but, it isn't what you want.

    It is a set of 4 monochromatic colours.

    There are some lines in the UV that some bulbs will shift to the red end of the spectrum with phosphorescent coatings.
    Sarchasm: The gulf between the author of sarcastic wit and the person who doesn't get it.

  6. #6
    liv
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    Former Moderator liv's Avatar
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    these bulbs are not the proper bulbs for growing corals and keeping a SW tank.

    moving.. so temporarily out of SW :b8:
    planning next tank, possibly 60x30x20 on 2x plasma.
    updated: 2011/05/30

  7. #7
    Senior Member volitan's Avatar
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    couldnt that give you all kinds of algea problems too?
    Derik...

  8. #8
    Senior Member DARK's Avatar
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    Okay, now I understand, thanks for the info guys...

    James

  9. #9
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    I guess it'll be a surprise to all of you to know that the good'ol Iwasaki 250w 6500k MH bulbs are actually a "mercury vapor" bulb and not "metal halide" at all!!!

  10. #10
    Senior Member DARK's Avatar
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    So does that mean these could be used?

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