New grow lights with a dimmer. 

LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS: SPIDER FARMER SF4000 Grow Lights utilize the latest in high-yielding LEDs technology today-Samsung LM301B diodes, high Energy Efficiency with 2.7 umol/J, create better canopy light penetration. SF4000 only consumes 450w, running 50% less power than the HPS or Blurple lamps, and still was 50% more harvest. The veg footprint is 5 x 5 ft, Flowering footprint is 4 x 4 ft.