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Thread: MH question

  1. #1
    Senior Member
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    Jan 2004
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    MH question

    How close can Metal Halides be, tip to tip. I have a 175w, and a 400w. there is a 2 inch gap between the 2 tips. is that too close?

  2. #2
    Senior Member SloHand's Avatar
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    Jan 2004
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    157
    Hey Gools, what kind of ventelation do you have ... fans? Whay are they so close? over which of your tanks do you have these mounted?

  3. #3
    Senior Member reefmutt's Avatar
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    Oct 2003
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    1,770
    I've had 250w and 400w mh within millimeters of each other without incident. I don't think there is an issue with proximity At two inches you're fine.
    Matt.

    Old system torn down to make a playroom.. planning a 62x42x28 high

  4. #4
    Senior Member
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    Jan 2004
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    373
    I have them over a 180g tank but I have a big 1/2 inch center brace and don't want to put the lights over the brace. I have 2 -4 inch fans

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