HPI lights are a type of metal halide lamps that are very suitable for growing. HPI lights are especially useful during the vegetative stage due to their white light and high intensity.
Learn all about growing and lighting:
- The Cannabis Light Cycle
- Control Your Lighting, Control Your Cannabis
- How Much Sunlight For Outdoor Marijuana Plants
More lighting related terms:
Lighting | Light cycle | Dark cycle | Light shortage | Light distribution | Light spectrum | Blue light | Red light | Nanometer | Light tight | Lumen | Lux | Reflecting light | Lamp height