Zoo Med T-5 HO Ultra Sun Super Daylight Fluorescent Bulb, 54 Watts

The Zoo Med Ultra Sun® T5 HO Lamp is a 6,500K high-intensity daylight bulb that enhances the natural colors of fish, plants, corals, and invertebrates. With superior light output compared to T8 lamps, it provides the ideal spectrum for daylight simulation in both freshwater and marine aquariums. Manufactured in Germany for premium quality, this lamp ensures even light distribution, long-lasting performance, and less heat generation than traditional metal halide systems.

• 6,500K Spectrum – Simulates bright daylight to bring out vivid colors in fish and plants.

• High Output T5 Design – Produces significantly more light than standard T8 lamps.

• Versatile Applications – Ideal for freshwater, marine, and reef aquariums.

• Plant & Reef Pairing – Combine with Flora Sun® for maximum plant growth or Coral Sun® for thriving coral reefs.

• Even Illumination – Distributes light evenly across the water’s surface.

• Cooler Operation – Generates less heat than metal halide lamps.

• Premium Build – Manufactured in Germany for high performance and durability.

• Fixture Compatibility – Must be used with T5 HO fixtures (not compatible with T8 or T12).

• Item #: UL5-24 | 24 W | 22″ (55 cm)

• Item #: UL5-39 | 39 W | 34″ (85 cm)

• Item #: UL5-54 | 54 W | 46″ (116 cm)

Additional Information:

• Lamp Type: T5 HO fluorescent

• Burn Life: Up to 10,000 hours (typical for this line)

• Warranty: 1 year