I am running T5 Fluorescent Lights and I was wondering if I should keep them at one height during flowering or should I raise them as the plant grows. My last two plants were awesome and I basically kept the light within a few inches of the plant as they grew and raised them as needed.
How did your last grow turn out? Raising the lights little by little as the plants grow is standard protocol. With a T5 you can have the light closer to the plants then say, a 400w HPS. This is because of less heat being emitted. If you can hold your hand under the light without any irritation, then your plants will be fine at that level.