Quote Originally Posted by Dogznova
Ya you will need a different ballast and different end caps for the lights. I have never retro fit T12 for T5 but someone here I'm sure has. I use a Sunlight Supply 8 tube one.
Puts out 40,000 lumes and makes 20" bushes in a little under 4 weeks from clones w/low heat. I then pop w/HPS and get great results. I also have 100 watts of T5's in with my 100 watts of LED and the T5's make the led veg room expload.
probably just toss these T12s then...But definitely gonna supplement the Procyons...wouldn't hurt
whiskeytango