VIVOSUN 2-Pack 400 Watt Vegetative Metal Halide MH Grow Light Bulb Lamp - Enhanced Blue and Violet Spectrums CCT 4200K, 36,000 Lumens

Product Review

VIVOSUN: The #1 Choice for Indoor Grow

VIVOSUN focuses on designing and manufacturing quality grow lamps that
produce supplemental or artificial light for indoor plant growth.
The most reliable grow lamp on the market - 1 million+ happy users and counting

Tips:

Please be aware that grow light bulb is a consumable product. Regardless of HPS, MH, LED,
Fluorescent or the incandescent light bulb, the fact that the total lumen (brightness) will
decrease in time. For an optimized growing condition, it is strongly recommended to
change your grow light bulb after 12 months of continuous use.

400W VIVOSUN HPS bulb compatible with electronic and magnetic ballasts, 55000 Lumens, E39 Base
Optimized 2100K red & orange spectrum and high PAR (Photosynthetic Active Radiation) to stimulate flower growth and enhance fruiting
Extra-low Lumen Depreciation: Maintaining over 90% of initial lumen output after running for 5,000 hours
Startup Time: Allow 2-3 mins for full bright; After power off, do please wait at least 5 mins before striking again
Lifetime: 24,000 hours

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VIVOSUN 1-Pack 400 Watt High Pressure Sodium HPS Grow Light Bulb Lamp - High PAR Enhanced Red and Orange Spectrums CCT 2100K, Ultra Bright 55,000 Lumens

Product Review