• PowerVEG can be used in any existing T5 54W HO lighting fixture • The recommended height above the canopy of plants should be between 8"-16". The optimal height is 12". • If using all PowerVEG lamps in one fixture, we recommend reducing the time the lights are on by 20%. This is due to the quality of the spectrum and the amount of UV coming from the light. • If using a 50-50 mixture of PowerVEG and standard T5 lamps, no need to reduce the time lights are on. • Promotes extreme photosynthesis for faster growth.