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Metal Halide Lighting Bulb Help

675 Views 10 Replies 8 Participants Last post by  Specialk
Ok right now I have one 400w 14k Coralvue and 2 250w 20k Radiums over the 180. I need to replace the 2 250's and I can't decide on 20k or 14k. I like the blue look but I hear the 14k's give better growth. Comments suggestions help me decide? Thanks!!
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