ballast question for hamilton mh pendant

Discussion in 'Reef Lighting' started by brunoboarder244, Jan 18, 2012.

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  1. brunoboarder244

    brunoboarder244 Torch Coral

    Joined:
    Jul 15, 2011
    Messages:
    1,188
    Location:
    Bronx, NY
    so from my understanding from the previous owner i have a 250w hamilton metal halide pendant with no ballast. with a little research i found what i believe to be the pendant, Reef Star 250W HQI Metal Halide System by Hamilton Technology - AquaCave, so i also see that this same pendant comes in 150, 250, and 400w and the dimensions are the same and everything seems the same other than the ballast itself from what i can see

    now the question is, if i were to get a ballast for this would this pendant only function with a 250w mh ballast or can a 150 or 400w be used with the proper bulb?