Quote:
Originally Posted by BC-Axeman
I just ordered two 400w 14K HIDs and two 65w actinic CFs for $160.
I read somewhere on the webz where someone measured the spectrum over the life of an HID and found it stayed pretty constant for a while and then shifted quickly long before the intensity dropped significantly. I have no recollection of anything like that for CFs or T5s but you can see the ends blacken on them so you know something is changing.
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See, mine aren't blackened at all, and I've never let them get that far. I don't even know if t5's will blacken on the ends.