Compare Metal Halide Grow Light Bulbs
Eye, Sunmaster, Ushio, GE

Metal Halide bulbs produce a strong output of the blue spectrum which will promote strong vegetative growth and plant growth. Metal Halide is the best type of light to be used as a primary light source (if little or no natural sunlight is available).

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Super Metal Halide bulbs produce a strong output of the blue spectrum, for vegetative growth PLUS 12% more light output than a standard universal metal halide lamp. This Metal Halide lamp must be burned in a horizontal position.

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This is Eye's 4200K basic Metal Halide that provides optimum spectral energy required for growth. This bulb has a high initial lumen output at 39,000 lumens.

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Emits a crisp white color close to daylight at 90 - 92CRI and 6500K (5500K for 1000W). This bulb is ideal for the seedling and the vegetative stages of plant growth, while still emitting a wide spectral distribution.

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Perfect for plant grow and reef aquarium applications, the Eye Clean Ace Metal Halide bulb emits excellent color rendition at 90 CRI virtually equivalent to daylight 6500K making it ideal for the seedling and the vegetative stages of plant growth, while still emitting a wide spectral distribution.

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Sunmaster blue burning cool deluxe Grow Lamps imitates the natural look of daylight making them ideal for the seedling and vegetative stages of plant growth, while still emitting a wide spectral distribution. Also ideal for use in aquarium applications emitting a blue hue close to 10K.

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Sunmaster Red Burning Warm Deluxe Grow Lamps emit balanced light similar to a 3000° Kelvin making them ideal for all phases of plant growth while ensuring more natural growth patterns. The enhanced orange-red component promotes flowering while the blue spectrum assures healthy vegetative growth.

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This Metal Halide Conversion light bulbs from USHIO is from their new line of "Hi-Lux Gro" lamps with the added maximized output in both the blue and red spectrums. These High Output Super Metal Halide bulbs (Opti Blue) outperforms standard MH bulbs and emits 7500K. These 400W Hi Lux Gro light bulbs are made to assure consistency in quality and are optimized for high performance. These high quality horticulture MH conversion grow light bulbs will work on most HPS standard magnetic ballasts.

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SolarMax Gold High Output 400 & 1000W MH bulbs produce significantly more orange/red wavelength than other metal halides. SolarMax Gold  burns similar to 3000K, making these bulbs excellent for fruiting and flowering applications.

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SolarMax Vegetative 400 & 1000 Watt MH bulbs produce less initial lumens than other bulbs and have one of the highest PAR ratings of all Metal Halides available. The SolarMax Veg Metal Halide bulb also produces a better spectrum than the SunMaster Cool Deluxe at 7200°K which means more blue light. SolarMax bulbs are also tubular in shape, allowing them to fit in most reflectors. 

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