i am planning another box for one of my out buildings, and have about 20 4' 2 bulb t12's. are they worth messing with? i plan on having cfl's for overhead and was thinking about the t12's for side lights.
i guess i should have said i already have these lights, and have seen where i can use t8 bulbs in them. they are 2700k most of them but afew are 6000k.
i had got these for shop lights and then i came across 6 400 watt mh's for shop lights. may just use them as a mix for the shop and get some t5's for the new box..
I run 4 T12's for side light I run a 600 hps on top. I have had the T12 from my old reptile cages so I have used them if I had extra spending money I would go get the T5"s more efficient. I really like them they do great for side lights