Ballast question

Discussion in 'Growing Marijuana Indoors' started by josgrow, Apr 9, 2009.

  1. #1 josgrow, Apr 9, 2009
    I have a 400 watt electronic ballast for a MH bulb. Is there an HPS bulb that will work with this ballast?
     
  2. #2 josgrow, Apr 10, 2009
    Anybody know?
     

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