Bring the growing power of the sun indoors with the Indoor Grow Science GLL-400-MH 600-watt metal halide lamp. Ideal for vertical lighting applications, this MH light bulb is designed with a blue spectrum similar to natural light that, in turn, promotes maximum growth and enhanced vegetative states. Mimicking spring and summer blue skies, the Growlite Tru Blue MH light bulb is a good choice for the indoor grower!
- Delivers an incredible 32,000 lumens in a 6500 Kelvin color temperature
- Provides incredible vegetation and larger yields
- Can be used in open and enclosed fixtures
- Hot restart time takes 10 to 15 minutes
- Warm up time to 90% takes 4 minutes
- ANSI designation: M59