at the moment i have my lights on for about 6 hours from 4-10, and a cap of flourish every other day, and my plants seem to be doing ok with just that, but then it might just be my plants... or im a lucky blighter, which is likely :lol:
all i can say is that youll learn what you need through experience more than what anyone can tell you, its a good start, but every tank will be different, so experiment with what you have! 8)