Thread: Metal Halide Ballasts, which one is which? Answers here:
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  #24  
Old 07/29/2003, 09:57 AM
SeanT SeanT is offline
Refurbished Reefer.
  
Join Date: Jul 2002
Location: Nort Carolina
Posts: 10,945
I should clarify by saying that a new PFO 400 watt dual is cheaper than a new PHO 400 watt HQI single ballast.

Before I make my decision I would like all the pros and cons.
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