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Calling Dakar for Help with Lighting (or whoever else can help :) )


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  1. #1

    Default Calling Dakar for Help with Lighting (or whoever else can help :) )

    Dakar had those awsome plans for the HQI 75 watt for his nano, I "borrowed' them and used them for my girlfriends nano too, and it worked out great!

    Now I was wondering if I can place a 250watt bulb with the respected ballast for it and will it still run?
    55 Gallon. One year old, and looking SUPER.

  2. #2
    dakar - Reefkeeper CR Member
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    Sep 2004
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    Western Louisiana
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    Dave

    Default

    Thought my ears were burning up ..... and if you drop a 250w HQI bulb on that M98 ballast it will do the same thing.... BURN UP!

    The ballast and bulbs must be rated for the same wattage, all sorts of bad things can/will happen. Now if you modifiy the pendant to accept a 250w HQI holder (I *THINK* it will just barely fit, I know a 150 will with a litte effort, I'd have to go dig out a 250 bulb and my pendant fixture to get some measurements), none the less if you can get it in there safely and power it with the appropriate ballast it would work, Though heat would likely become a serious issue with anything over over 150w without some sort of mechanical cooling. The design I used will drilling holes in a pattern covering what became the top of the pendant just allowed heat to escape by convection, but IMP that would not be enough for the heat generated by a 250. Pretty sure that makes sense...
    Every electronic device is manufactured with smoke stored deep inside... only a true genius can find a way to set it free.

  3. #3
    dakar - Reefkeeper CR Member
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    Sep 2004
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    Western Louisiana
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    Dave

    Default

    Oh and BTW glad to hear that little 70w pendant on the cheap worked out for you.... it served my 10g nano very well indeed.

    Let me (us) know what you are up to now, and maybe I can throw you a rope and get you hooked up.
    Every electronic device is manufactured with smoke stored deep inside... only a true genius can find a way to set it free.

  4. #4

    Default

    IMHO anything over 150W HQI should go into a professionaly made enclosure just because of heat/fire issues. That's not saying that it's not possible, but I wouldn't risk my house burning down over saving $50 or so on a fixture.
    120G Reef and 40B reef at work, 120G tank dry and dirty in the garage.

  5. #5

    Default

    I guess .... if I add a fan and do everything clean I dont see why it would not be just as good if not better?

    I got the 90 gallon together and running, and he was only able to give me one 250W MH, so only half the tank is lit. So need to start getting it together for another one.
    55 Gallon. One year old, and looking SUPER.

  6. #6
    dakar - Reefkeeper CR Member
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    Sep 2004
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    Western Louisiana
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    Dave

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    Quote Originally Posted by Fatman View Post
    I guess .... if I add a fan and do everything clean I dont see why it would not be just as good if not better?
    Not necessarily, like Eric mentioned that's a LOT of heat to try and manage in such a small enclosure, now there are other enclosure type setups that are quite a bit larger that can be found at HD/Lowes and such that would be far better suited to it. The reason I chose that light was because the 70w HQI tube would fit in without any modification.

    Quote Originally Posted by Fatman View Post
    I got the 90 gallon together and running, and he was only able to give me one 250W MH, so only half the tank is lit. So need to start getting it together for another one.
    Let's see some pics!
    Every electronic device is manufactured with smoke stored deep inside... only a true genius can find a way to set it free.

  7. #7

    Default

    Quote Originally Posted by dakar View Post

    Let's see some pics!

    I posted them in the other thread but here you go.
    Stuff003 - Calling Dakar for Help with Lighting (or whoever else can help :) )
    Stuff004 - Calling Dakar for Help with Lighting (or whoever else can help :) )

    The current inhabitants.
    Stuff008 - Calling Dakar for Help with Lighting (or whoever else can help :) )

    Stuff009 - Calling Dakar for Help with Lighting (or whoever else can help :) )

    Stuff013 - Calling Dakar for Help with Lighting (or whoever else can help :) )
    55 Gallon. One year old, and looking SUPER.

  8. #8
    hummer - Reefkeeper CR Member
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    Nov 2006
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    seneca ,IL
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    Default

    wow what a differance the brighter light makes and nice pic...

  9. #9
    lReef lKeeper - Reefkeeper CR Member
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    Mar 2006
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    Bobby

    Default

    nice Vlamingi tang ... or is that a spotted unicorn tang ??

  10. #10

    Default

    Quote Originally Posted by Bobby View Post
    nice Vlamingi tang ... or is that a spotted unicorn tang ??
    Thats correct Vlamingi

    Quote Originally Posted by hummer View Post
    wow what a differance the brighter light makes and nice pic...
    Yea the other side is lit with Flourecents, the corner is the halide.
    55 Gallon. One year old, and looking SUPER.

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