First Time Grow three weeks into flower

my ladies seem to be doing good im three weeks into flower and to me all looks good
there are 4 of them 3 weeks and 1 is one week into flower strans are AK47,Bluecheese,Purple Haze, and Skwalker
here are some pics
please comment it helps me learn sence this is my first grow thanks everyone

A little leaf curl on one plant, but that's probably just water related. Everything looks great! Keep up the good work.

thanks got it figured out will be posting more pics soon