Reeflex Cube HQI Ballast and Radiums - The Planted Tank Forum
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post #1 of 1 (permalink) Old 12-21-2010, 09:40 PM Thread Starter
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Post Reeflex Cube HQI Ballast and Radiums

Radium 400W, 20,000 KSingle Ended Metal Halide Lamp

The German-made Radium 20000K metal halide bulb offers excellent coloration and good intensity. It is crisp-white with a strong blue tint.
It brings out the fluorescent pigments in corals nicely. Fluorescent supplementation is usually not necessary, but can be used for added intensity and to simulate dawn and dusk.

Last edited by aquacavecom; 10-26-2013 at 12:02 AM. Reason: link edit
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