tent scrog coco

Hey guys and gals, I am a new indoor grower looking for a bit of advice... I am working with a 2x4x5 tent, 4inch fan, carbon filter air cooled 400w MH/hps, growing in slightly underfilled (to keep height down) 5gal smart pots with a 70/30 coco perlite mix. Using GH performance pack which...