Quote Originally Posted by headshake
my t-5s have burnt leaves, but only when leaves are touching them directly for prolonged periods of time.


-shake
Sorry, I should've specified. I have not seen a T12 burn yet, my bad. I have heard of the T5's burning and even the T8's but never a T12.


CFL & Floro Grow Log Coming Soon!!!
jon420 Reviewed by jon420 on . Answers about CFL, HPS, How Much Light... Although I'm still kind of a new poster, I keep seeing a lot of the same comments--many of which are answered an Dr. Khronik's excellent El Cheapo Guide to Lighting. But there are a few things I'd like to add in regard to watts, lumens, cfl, hps, and efficiency and how much light you need. Maybe this should be stickied? Watts have nothing to do with light or growth. Watts measure how much power a light fixture uses to produce light. You can tell how efficient a light bulb is by looking Rating: 5