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Do you mean fluorescent? LED technology has overtaken those as grow lights now, these only consume 15W.
Mr_Sworld-
What I gathered from a chili nerd forum that winter is that the proper LED lamps (that deliver a suitable spectrum) are quite pricey, so initial outlay is very high for good lamps.
Thus most smaller operations are using tubes which will give even light to a lot of seedlings / small plants (think two or three mounted parallel, 20 cm apart).
Of course if you're just doing one or two plants this makes no sense but I went pretty gung-ho that one winter (and the following summer totally sucked, haha, so a lot of effort and money for nothing)
salad
Ah ok.
If you have the space (daylight) neon tubes might give you more bang for the buck.
Word of advice though - do the mathe beforehand (I was quite surprised by my electricity bill that one winter I had those running 14 hours a day for 2-3 months - plants were nice and compact though!)