Soil perlite and wigglers, doc bud nuts and sprays
Training as in the plant? Yes scrog. I have lots of red to stretch the plant out in the room. Then the 4k strips(adding more blue) come on later in flower for flavor etc.
Air circulation has already been mentioned as well as many fans.
Heat management. Every quantum board is on a
HLG heatsink(super efficient never seen them above 100°(lol to the hps), the AC is a mini split(so all the heat is outside the house and ducted to the tent) the dehumidifier is ducted(not in the same room) the humidifier is also ducted(not in the room)
Transpanting from 15gal(veg for root bounding)to 25gal. Length of veg tbd but i figured around 20 weeks ish. Nutrients will be just fine after the transplant.
As far as light intensity. Thats why i have so many. Full coverage (consistent ppfd accross the entire room) running at 70% or less(dimmable)
Everything about this grow has been well planned and well researched