ZooMed Ultrasun Trichromatic 22″ T5 24W Daylight Lamp
The Ultra Sun is a 6500K high-intensity trichromatic full-spectrum daylight lamp with a CRI rating of 98. It provides excellent color accuracy for optimal viewing of freshwater and marine fish, as well as live corals. The lamp delivers a balanced spectrum of visible light and UVA, supporting photosynthetic processes in plants and marine algae. Ideal for use in freshwater and marine aquariums, including reef tanks.
Manufactured in Europe, Zoo Med’s fluorescent aquarium lamps are designed for high quality, accurate color reproduction, and extended burn life. Energy-efficient T-8 design saves up to $30.00 per year in electricity compared to T-12 lamps. Rated for up to 10,000 hours of continuous use.
| Specification | Value |
|---|---|
| Color Temperature | 6500K |
| CRI (Color Rendering Index) | 98 |
| Wattage | 24W |
| Lamp Type | T5 |
| Length | 22 inches |
| Burn Life | Up to 10,000 hours |
| Application | Freshwater and marine aquariums, reef tanks |
FAQ
What is the color temperature of the Ultra Sun lamp?
The Ultra Sun lamp has a color temperature of 6500K, which mimics natural daylight and provides a balanced spectrum for accurate color rendering.
Does this lamp support coral growth?
Yes, the lamp provides UVA and a full-spectrum light that supports photosynthetic processes in marine algae and live corals.
How long does the lamp last?
The lamp is rated for up to 10,000 hours of continuous use.

Donna Davidson –
The colors in my freshwater tank look much more natural since I switched to this lamp. My fish appear vibrant and the plants are thriving. It’s been over a year and the lamp still works well without flickering.
Stephanie Morgan –
Great for my reef tank. The coral has grown better and the visibility of the live rock is excellent. The light is even and doesn’t cause glare. I noticed a noticeable energy saving compared to my old T12 bulbs.
Eric Ball –
Works well for my marine setup. The color accuracy is impressive, especially when viewing fish. It’s a bit pricier than other options, but the performance justifies the cost.