Why can't you run two MH bulbs off one ballast - Canreef Aquatics Bulletin Board

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Why can't you run two MH bulbs off one ballast

12-14-2003, 10:18 PM

BCOrchidGuy BCOrchidGuy is offline

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Join Date: Dec 2002

Location: Coquitlam, BC

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Why can't you run two MH bulbs off one ballast

I've been told that MH bulbs need one ballast each, I was wondering why I couldn't run two 175watt bulbs off my 400watt ballast, yes both bulbs would be over driven but, I'm not sure the extra 25 watts would make that much difference.

Any ideas, comments etc?

Doug

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