bro once you flush jus give them water for a week then start the nuets at 1/4 the sugested amountthen as your plant gets bigger up the amount.you dont have to really give them that much cal in veg mostly n....gl bro
bro put a dark bag over one of your branches id suggest a lower inner branch so it wont get too hot and leave it on that same branch for 12hrs and off for 12 and youll beable to tell