First Grow 2x2 Oldschool Purple Nuggets

Decent chance this will overgrow the tent if I dont get the purple nuggets pheno, probably going to lst it and get it bent over early on, if I knew it was the oldschool mango haze pheno I'd top it. I dont so lst will have to do. I've been watering it once daily to runoff, I think I'll up to 3 times a day once theres 3 sets of true leaves. Feeding at 0.7EC now slowly going to increase it up to 80% of the light dosage on cannas feeding guide. Day 4: I lowered the light to 60cm and upped the power to 6 which works out at a DLI of around 24(up from 19), in hope that it will help keep it a bit shorter. I've seen people do 40-50DLI on auto seedlings so I'm sure I can push it more. 5: I have mixed up a stronger feed for tomorrow (1.2ml/l a/b 2ml/l rhizotonic 0.5ml/l 6% potassium silicate) adding some potassium silicate increasing to .9 EC