The LUMii Energy Saving CFL Grow Lamp is the low energy option. Available in both Warm and Cool White. These lamps can easily be interchanged. The LUMii Energy Saving CFL Lamp is a high output 125w 5U CFL.
Use a Cool White lamp in a LUMii MAXii reflector for vegetative growth stage and then swap over to a LUMii HPS lamp for the flowering stage (HPS lamps will need a LUMii ballast)