Ten plants, on how many cfl??

You are gonna need atleast two cfl's for each plant! The cfl's need to be as close to the plants as possible, or else they will strech..

Tin foil is a crappy reflector, get some mylar, or paint the room white.. (tin foil does burn damage)

Are you on a tight budget? You will get better results with, MH for veg, and HPS for flower!