WELL MY QUESTION IS THIS. i HEAR PEOPLE SAY THAT ITS OK TO 12/12 AROUND 12 INCHES. MY PLANTS ARE CLOSE TO THIS WITH ABOUT 6 NODES THEY ARE GROWING BRANCHES NOW AND THEY ARE ABOUT 2 INCHES LONG STARTING THERE 3RD LEAF SET THERE ABOUT THE DIAMETER OF PENCIL LEAD i WANNA HAVE THEM NO MORE THEN 3 FEET TALL SHOULD i KEEP THEM VEGGING OR 12/12 THEM NOW WOULD THEY YEILD GOOD?