German made Radium 20,000K provides excellent coloration and intensity. Brings out fluorescent pigments in corals nicely. Magnetic pulse start, HQI, or an electronic ballast is required to ignite this lamp. It will burn bluer on an electronic or pulse start ballast.
* Radium 20,000K - Crisp Blue Hue * Double Ended HQI Metal Halide Bulb * Made in Germany
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