Growlite TRU BLUE Metal Halide Bulb, 400 Watts - 6,500 K

Growlite TRU BLUE Metal Halide Bulb, 400 Watts - 6,500 K

SKU #: GLL-400-MH-65K

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Growlite offers quality made products using only the finest components, materials & finishes to craft and give life to our products. With innovative cutting edge designs and technology, we are not a "me too" type of company. We strongly believe in pushing the limit of new technologies and possibilities in this industry.

TRU BLUE Metal Halide open rated lamps are designed to provide the complete blue spectrum that parallels natural light. TRU BLUE lamps provide vegetation with the proper light needed to optimize growth and maximize yield due to our designed use of the blue color spectrum. TRU BLUE lamps promote maximum growth and optimize overall vegetation quality and stability.

    TRU BLUE Specs:
  • Initial Lumens: 32,000
  • Rated Life: 10,000
  • Color Rendering Index (CRI) 70
  • Burning Position: Vertical Only (Base-Up)
  • Bulb Designation: BT37
  • Fixture Rating: Open / Enclosed
  • To 90% Warm Up Time 4 min.
  • Hot Restart Time 10-15 min
  • ANSI Designation: M59

Our new TRU BLUE Metal Halide was designed for the discriminating grower who understands the advantages of vertical lighting. Like all of our lamps, the 400 watt Metal Halide is open rated to guarantee your safety no matter what application you are using it in. Growlite understands the inherent dangers caused by an aggressive end of life (lamp popping) & TRU BLUE lamps are the only lamps sold to combat this phenomena, utilizing open rated lamp technology. Growlite stands behind it as the safest 400 watt Metal Halide on the market. Guaranteed.

Note: TRU BLUE Metal Halide 400W, 6500K ONLY Run Vertically.

Tech Specs


Weight (lb.)1
Prop 65No
Length (in.)5
Width (in.)5
Height (in.)12
UL ListedNo
Lighting TypeHPS/MH - Single Ended
Base TypeMogul (E37)
Bulb OrientationUniversal
Bulb TypeSingle Ended Metal Halide
Color Temp (Kelvin)6500 K
Bulb Lumens32,000
Estimated Life Hours10,000
Exact Watts400 Watts

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