02-19-2010, 01:27 PM
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Originally Posted by Angel079
T12 is your size there. So when you go shopping make sure you get a size T12. It'll say it on the shelf and boxes what size they are, eg for a GE on the pack it'll say F15T8 for a T8 sized bulb.
T8's are about 1" dia and T12 about 1.5" dia.
I honestly wouldn't worry what you got there because of the age, I'd buy a new one for plabts.
I wouldn't get a T12, T8 are better. Both fit your fixture. T12 are the older type and don't last as long and are slightly less intense. The T8 are superior tubes, and as I say fit all regular fixtures. You may not be able to find T12's insome places, they are being phased out by T8's and now the newer T5 NO.
Just get a Daylight, Enhanced Daylight, Ultra Daylight, whatever they call it, full spectrum is another designation, and if the kelvin number is given as most are now, look for something around 6500K.