The Planted Tank Forum - View Single Post - PAR Data-Spiral Power Saver Bulbs, lighting question
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Old 04-11-2012, 05:27 PM   #133
Hoppy
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Originally Posted by Mongerman View Post
Hi guys, thanks for the research. Was wondering if you have carried out experiments on u shaped CFLs, or are the results similar?
I haven't seen any PAR measurements with those U shaped CFL bulbs. I suspect the results would be similar for horizontal bulbs, but possibly not for vertical bulbs.
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