and dont nute more than once every other watering thats the most you should ever do, and i would water them every 2-3 days yourself if it doesnt rain, , i can see your new to smoking, so just start browsing through the forums at your own leisure and chances are youll find out everything else you need to know
go to the step by step guides and all that, you will be good to go, matter a fact, your already good to go those plants are healthy enough to not be worrying, almost every first grow has MAJOR problems, and as of now you have only began to tippy toe into minor ones, so just relax, and let nature do her work