Thread: Phoenix 14k vs Giesemann 14.5k vs others...
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  #30  
Old 11/10/2007, 10:57 AM
ZippyBoy ZippyBoy is offline
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Join Date: Jun 2001
Location: Planet Earth
Posts: 196
Hey Jon,

How often are you changing out your bulbs?

I run my G Megechrome Corals about 12 hr/day on Sunlight Supply ballasts.