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I also use Icecaps electronic ballasts for my DE bulbs (am going to switch to HQI magnetic ballast when I move and upgrade to 220gal...) and to the eye the light output of the G-mann 14.5k is much higher than the Phoenix. I seems much more intense. I liked the Phoenix too, but the difference in intensity is obvious. I know it's not reflected by the values reported by dkle, but that's just how it looks. Same impression when my girlfriend came back from work and saw the new bulbs (G-mann), she was astonished by the increased intensity compared to the Phoenix.
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