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		400 Watt 10000k Metal Halide bulb - Hamilton, Mogul Base Availability: Usually ships the same business day Item Code: MB8411 List Price: $129.99 You Save: 30.00 (23%) Your Price: $99.99 Price Range:   Qty:   Details Write a review Email To Friend Avg. Customer Review (1) reviews

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400W 10000K METAL HALIDE SINGLE ENDED BULB—HAMILTON This German-made Ushio/Hamilton 10000K metal halide bulb offers excellent coloration and intensity. Crisp Ice White appearance, full spectrum—the combination of different wavelengths produce different colors in the spectrum and appear to the naked eye as crisp ice white light. Significantly brighter than U.S. made 10000K bulbs. Use alone or add Actinics for a bluer effect. This bulb has a heavy concentration wavelength spike in the 420 and 460nm (nanometer) range with additional concentration spikes in the 380nm, 550nm and 580nm wavelengths. Tested in Germany—simulates natural daylight as in the ocean at depths up to 13 feet. Longer life—TRUE-10000K Metal Halide has an exceptionally high rated life. Very High Color Rendering Index of 95 CRI. Actinic supplementation may be used to create a bluer look. This bulb will work with a standard magnetic ballast, magnetic pulse-start ballast, magnetic HQI ballast or electronic ballast. Please click here for more information on how the different Kelvin ratings appear and more information on metal halide bulbs. Common questions/problems concerning metal halide lamps: Metal halide lamps of the same kind are different colors? Metal halide lamps operate by passing an electric arc through an arc tube that excites particles in the arc tube. When the metal particles reach an excited state they emit energy in the form of visible light. It takes 100 hours of operation before the metal particles stabilize and become a consistent color. All metal halides require 100 hours of operation before color and light output stabilize. All metal halides inherently have a slight color variation between individual lamps. The metal halide lamp fires and then either burns dull or the arc extinguishes? Usually the ballast and lamp are not receiving enough power. Metal halides pull a high current. Usually the problem is either there is too great a load on the circuit or the extension cords are of a small wire size and can`t handle the power needed by the ballast. Use only heavy duty extension cords and try running a ballast off a circuit from another part of the house. Do I need a cover shield between the lamp and the aquarium? Metal halide lamps produce a large amount of UV and also have a potential of exploding. The single ended metal halide lamps have an outer jacket which eliminates most of the UV. However, they have an inherent risk of exploding and UL requires metal halide lamps to be enclosed. On double ended lamps there is no UV shield. Double ended lamps must have a glass shield or major eye injuries including blindness may occur. Can I operate a ballast and lamp together which are designed for different wattages? Each wattage lamp and ballast are designed together for optimal performance and safety. If you over drive the lamp it may explode and shorten the life of the ballast and lamps. If you under drive the lamp it will also shorten the life of both components and also may explode. Do not mix different type wattages of lamps and ballasts. NOTE: The bulb should be handled carefully during installation and replacement. The average life expectancy of this bulb is 12 months. Customer Reviews Write a review 0 of 0 people found the following review helpful: Excellent! great replacement by JENNIFER GIANTVALLEY Experience Level: Intermediate Posted on 12/15/2007 from CLAYTON, CA UNITED STATES Comments: This bulb is a replacement for my 225 gallon reef tank. Great color. Yes, I would recommend this product to my friends. Was this review helpful to you?         Similar Items   Product: List Price: Our Price: Rating: Item Code: Description: 400 Watt 10000K Metal Halide Bulb - XM, Mogul Base $94.95 $75.00