Replace bulbs past their rated useful life to ensure crucial light intensity and spectral output. A fresh, new Hamilton Technology 400W HQI Double Ended Metal Halide Bulb supplies the most concentrated light intensity, color spectrum and wavelength essential for photosynthesis and coral health. High PAR (Photosynthetically Active Radiation) values promote the development of aquatic plants as well as photosynthetic anemones and corals. High intensity bulb emits light powerful enough to reach the lower depths of your aquarium with the same intensity and spectrum as natural sunlight.
Choose from three popular color temperature bulbs to suit your particular aquarium lighting needs.
10,000 K HQI DE Bulb
14,000 K HQI DE Bulb
20,000 K HQI DE Bulb
NOTE: Use with 400 watt electronic ballast. Handle bulb by socket end only, DO NOT touch bulb.
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Please click on "More Information" for Metal Halide Bulb Safety and Handling.