Seedling stage hang the light 30 – 32 inches above adjust dimmer as needed, some people hang lower and set the dimmer to 30% – 50%
Vegetative stage hang light 26 – 28 inches above the canopy adjust dimmer as needed, dimmer can be raised up to 75%
Flowering stage hang light 16 – 18 inches above the canopy, set dimmer to max output 100%