• True super actinic blue 03 420nm compact fluorescent bulb 
• Excellent choice for saltwater and reef aquariums
• Promotes photosynthesis essential for the health of coral and invertebrates
• Intensifies the beauty and vibrant color in fish, coral and marine life
• Best supplemented with 6700k or 10,000K Super Daylight for dawn to dusk control
• Contains real actinic phosphors to bring out more color in fish and corals
• Specifically engineered to benefit the growth of marine life
• Will work with Hamilton 55 watt systems
• 22" Long

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