Day one Dwc Flowering first time grower

hey guys this is my first post on the forums as ie finally started flowering and here is the tricky part right, anyway heres some backround information
veg
400watt m/h
dutchmaster gold A+B grow
canna rhizotonic
3 northern lights x kush
from week 1-3 ppm was 550 at p.h remained stable at 5.5
week 4-6 of veg ppm was boosted up to 850 and plants took to it very well
p.h has always been stable and so has ppm

today i started flowering heres what the go is
400 watt hps
dutchmaster gold range nutrients A+B flower
Dutchmast gold Add.27
Canna Pk-13,14
ppm is currently at 1000 and p.h stable at 5.5

my questions are for you am i doing the right things and if not what can i do to improve
PHOTos below peace

image.jpgflower day 1 first dwc.jpgmyplant flower day 1.jpg