Flowering stage week 1

Hey I just want to be better and learn more and share what I have learned, if you have any feed back for me I'm doing 3 blackberry kush in my small closet its maybe 5x3 with maybe 9ft clearance and I have a single 400hps sun system 2 and also I have side and bottom light using a 200wt grow light (m.h) and I have a 300wt "indoors"hps for side and to keep them cool I run a 3 fan system 18" and 8" and 6"in. So I'm thinking of doing the 60-80day flowering any feed back .....started 12/12 march 28 and it should in on june 1 aand may 23rd will be first triclone check! !!!!!!!!!!