Zoo Med T5 HO Ultra Sun Super Daylight Lamp
6,500K High-Intensity super daylight lamp brings out the full colors of your fish, plants, corals, and invertebrates.
- T5 lights provide more light output than T8s!
- Ideal for all marine aquariums, reef tanks, and fresh water aquariums where maximum daylight simulation is required.
- Combine with Zoo Med’s Flora Sun for maximum plant growth.
- Combine with Zoo Med’s Coral Sun for all live coral invertebrate reef tanks.
- Distributes the light evenly across the water surface.
- Generates less heat as compared to metal halide lamps.
- High quality lamp manufactured in Germany.
- All T5 HO lamps must be installed in hoods manufactured for T5 HO lamps. This lamp will not work in a regular T8 or T12 type hood.
| Specification | Detail |
|---|---|
| Lamp Type | T5 HO Ultra Sun |
| Color Temperature | 6,500K |
| Light Output | Higher than T8 lamps |
| Heat Generation | Lower than metal halide lamps |
| Origin | Germany |
| Compatibility | Only works in T5 HO compatible hoods |
FAQ
Can this lamp be used in a regular T8 or T12 aquarium hood?
No, this lamp is designed for T5 HO hoods only and will not work in regular T8 or T12 hoods.
Is this lamp suitable for both freshwater and marine aquariums?
Yes, it is ideal for both marine aquariums, reef tanks, and freshwater aquariums where maximum daylight simulation is required.
Can I use this lamp with other Zoo Med products?
Yes, combine with Zoo Med’s Flora Sun for plant growth or Coral Sun for live coral invertebrate reef tanks.



Heather Wilson –
The light is very bright and gives a natural daylight effect. My corals have grown better and the fish colors are more vibrant. It fits perfectly in my T5 HO hood and runs cool compared to older lamps I used.
Megan Jones –
Great for my reef tank. The 6500K color temperature makes the corals look more vivid. I paired it with Coral Sun and saw noticeable improvement in invertebrate health.
Keith Ferguson –
Works well in my freshwater tank. The even light distribution helps with plant growth. I had to make sure my hood was T5 HO compatible, which was a small setup issue.
Jonathan Dowd –
Highly recommended for any aquarium needing strong daylight simulation. The lamp is durable and produces less heat, which is a big plus for long-term use.