iGrowtek 600W MH Grow Light Bulb,High PAR Enhanced Blue and Violet Spectrums,CCT 6000K, 600 Watt Metal Halide Grow Lamp,HID Grow Bulb

Size: MH 600W 6000K Bulb Only Full spectrum light, 6000K color temperature. Produces light by an electric arc through the vaporized mercury and metal halides, a mix of metals and halogens. The filament generates a wider spectrum of wavelengths of light, produces more short-wavelength light and has strong light penetration. Blue & violet spectrum and high PAR made specially for optimizing vegetative growth. Dear customer, the yellow residue in the MH bulb is unvaporized gas. This is completely normal. While the bulb is lightening, over time the unevaporated elements inside the bulb will dissipate. Specifications - Watt: 600W - Volts: 110V - Cap Base: E39 - Lumens: 52,000 lm - PAR: 750 umol/s - Bulb: TT76 - Hours: 10000 Package - 1 x MH 600W 6000K Bulb