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James77 · 03/20/2010, 04:58 PM

Less wires possibly, less equipment sort of- no real big advantage, although they tend to be cheaper than buying 2 separate ballasts.

03/20/2010, 04:58 PM	#2
James77 Registered Member Join Date: Aug 2005 Location: Rhode Island Posts: 8,158	Less wires possibly, less equipment sort of- no real big advantage, although they tend to be cheaper than buying 2 separate ballasts. __________________ Jim Current Tank Info: 120g Mixed Reef and 75g Freshwater