Questions on terms

Discussion in 'Reef Lighting' started by UMdmd, May 16, 2005.

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  1. UMdmd

    UMdmd Astrea Snail

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    Jul 29, 2004
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    Location:
    Gainesville, FL,Florida
    I was wondering what HQI is?
    What is probe and pulse start? And which is better
    Differences between magnetic and electronic ballasts. Thanks guys
     
    Last edited: May 16, 2005
    UMdmd, May 16, 2005
    UMdmd, May 16, 2005
    #1

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  2. Chris Jones

    Chris Jones Feather Duster

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    HQI___Mercury Quartz Iodide, a type of metal halide lamp.
     
    Chris Jones, May 19, 2005
    Chris Jones, May 19, 2005
    #2
    1 person likes this.
  3. alarsuel

    alarsuel Astrea Snail

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    If I remember correctly (no guarantee) the electronic ballasts are newer technology and preferred. I think they run at a cooler temp extending their life and require less juice to start up which helps the bulbs flickering during startup and extends their life. If you have a choice, electronic is the way to go.

    Hope this helps,

    Aaron
     
    alarsuel, May 19, 2005
    alarsuel, May 19, 2005
    #3
  4. mmakay

    mmakay Feather Duster

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    Everything alarsue is true of electronic ballasts, but many still prefer to use magnetic ballasts with HQI (double ended) bulbs. The mag ballasts generally drive the bulbs harder, so you get more light. Personally, I use electronic and wouldn't switch, but some people will do anything for more PAR!
     
    mmakay, May 20, 2005
    mmakay, May 20, 2005
    #4