if your growing in rockwool you need to add nutes affter the 1st week

i use addvanced nutes you dont need all of them just go for sensi grow a +b and sensi bloom a+b and something with Trace Minerals aka iron,calium,mag,ect

start nutes at like a 8th of what they say and every week incress the amount


what lights you useing and are you going to train them