try 18" at first? but you can get away with 12",,but you do need a fan blowing over your plant? and how big is the grow room? is it well vented? as you do need to get rid of all that heat? i like your avater its cool,,:weed:
the plant that i thort was a harmy may not be? as i have takin it out of my grow room and put it in my bedroom window, to keep it going for a day or to make sure? as to of them balls have naw got pistil coming out of them? in the past i wood of just killed it? any thorts?:o:idea:
day 23 of flowering,,,,and it lookes like i have a hermy,,its been flowering nicely at the back of my grow room, just haveint had a good look at it yet and its got balls,,it was the bigist plant out of the lot, so im down to 3 flowering plants:?