hi guys after trying Various light figuration's
2 28w cfl u shaped lights these did not work too well
these were not strong enough
so i tried the screw in lamps 30 w each 2 on each side but still not enough
so i have increased the light 4 25w cfl bulbs in each bay giving 100w a bay at 2700k
now seeing good results starting to grow green
will post a pic off lights and screen after 7 days before fist clean under stronger lights
cheers oc