maximize yeilds

3×6ft closet, average humidity 50-60%, two 600w LED one bloomspect one wills, average temp 70-80°f, 100% coco coir.. thats my flowering room its on a 12/12 timer.. ive got six 5 gal pots transplanted 2 weeks ago from half gal..approximately 6 weeks from germination topped about 4 times.....wen...