Hi, im a new grower 3 weeks into.my first grow from sprouting. My plants are in there final pot which is a 3 gallon smart pot i transplanted them in to ocean forrest about a week ago I have heard they have enough nutes to feed for atleast 3 weeks. When should i start feeding them nutes? I am using fox farm grow big. Do you have any suggestions for nutes in thr flowering stage i could use?What is an appropriate time to switch 12/12 ? Im growing under a 400 watt light for.the whole grow i recently switched it to 400 from 300 two weeks ago. And they are not very tall maybe about 4 or 5 nodes today. Im not.sure.if thats good.or bad?thanks for the help i would upload pictures but im mot.sure how to attach them to a post well thank you for the help and may your harvest be plentiful