ur not going 2 get close 2 8 oz inside 4 is about right and thats with them growing in pots...... now we dont k now if they are growing in trays wich hold 52 cuts wich u can get 1 oz per cut if u have the right strain and u super crop it ..... trays are the way 2 go ... but with 9000 square feet they are doing pots i would think it's alot easier