I'm kind of a tweak about stressing my plants. I am that dude making his friend shine a spotlight all around his tent to check for light leaks. Anyways, I always defoliate about 50% of the fan leaves before flower. Atleast all of the ones with purple stems. Some of you on here go crazy, and have amazing results. Also, I've just switched to LEDs and feel like less leaves will help light pen alot. So in short, what's people's opinions on defoliation techniques (frequency, amount removed each defoliation, etc).