questions about my set up and if you havesome thing similar

I have a 10x 8 room 3 600watt mh vented out side hanging by chains over a 9 tray setup with 3 plants per tray 27 in total feeded by 2gallon flag drippers 2 avoid clogging works beautiful that drains into a gutter system with a return pump into my 50 gallon nutrients tank hooked up 2 a cycle stat that feeding right now in my veg state 5min every hour my room temp 74 ph 5.8 and 700 ppm half strength nutes sensi a b and green fuse root growth with my lights about 2 feet from plants and I have 2 oscilating fans and a cfl for evac cause I'm planning on using co2 when on 12x12 just wondering what 2 expect I've topped some plants I have mostly skywalker 1 lemon skunk and a few l.a. Woman and rock lock i m going 2 let them get about 2 feet b4 I do 12x12 with a trelles im going 2 hang r2 hold up the plants just curious if any 1 has same set up all equipment is brand new and I'm growing from clones it's my first room on my own just wondering what 2 expect I have some plants stretching a lil but it's still small so I think I'm paranoid lol any feed back I'll post pics tonight I'm just wondering what 2 expect as yield if any 1 has dome something similar just curious
 
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