LED / T 5 s. 5 hour ramp up / down with my Hydras...2 B+ come on 3 hours into the ramp up , an hour later 2 C+ come on.An hour later the LEDs peak for 4 hours...then reverse the T 5s - an hour after peak the 2C + go off, another hour later the 2 B+ go off ,then 3 more hours for the LEDS ramping down.
We have similar setups for lighting.