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Originally posted by dandy467d:
As with any flourescent or hid lamp, let them run for a few hours they will even out.

Actually, the problem, believe it or not was mixing different brands. There were GE and Sylvania, both 4100k but still had differences. We went with GE because there were more of them and everybody is happy now.By the way, they didn't come from the same carton as I stated earlier. As we randomly removed each of the ninety fixtures from their cartons, we noticed that some came pre lamped and some didn't. The ones that didn't, got 3500k lamps. That is when the color difference first became apparent.So after three rounds of lamping and re lamping, the nightmare is over and I learned something useful. Thanks for your replies.