




The Exo Terra Reptile UVB300 T5 Very High Output Bulb is a top-quality lighting solution for reptiles that thrive in environments with intense sunlight. Crafted in Germany to the highest standards, this bulb provides a potent source of UVA and UVB rays, mimicking the natural sunlight crucial for their well-being. Its balanced visible light spectrum ensures optimal conditions for reptiles basking in open or mid-day sun.
This bulb is designed to deliver a prolonged UV output, lasting for over 12 months. It significantly enhances Vitamin D3 synthesis, which is essential for calcium absorption and helps prevent Metabolic Bone Disease. Its strong UVB penetration makes it suitable for taller terrariums and those with denser screens, ensuring your reptile receives the necessary UV exposure.
Main Features
- Long-lasting UVA and UVB output
- Replicates solar UVB rays with a unique phosphor blend
- Ideal for reptiles needing intense sunlight
- Promotes Vitamin D3 synthesis for healthy bone development
Pros
- Long lifespan of 12+ months
- High UVB output for effective Vitamin D3 synthesis
- Suitable for taller terrariums
Cons
- Higher initial cost compared to T8 bulbs
- Requires a T5 compatible fixture
| Feature | Details |
|---|---|
| UVB Output | Very High Output (VHO) |
| Lifespan | 12+ months |
| Spectrum | UVA, UVB, and Visible Light |
| Origin | Germany |
Buyer Tips
- Ensure the bulb length matches your terrarium fixture.
- Replace the bulb after 12 months, even if it is still lit, to maintain optimal UV output.
- Monitor your reptile’s behavior to ensure they are receiving adequate UVB exposure.
- Use a UVB meter to regularly check the UVB levels in your terrarium.
FAQ – Frequently Asked Questions
How often should I replace this bulb?
It is recommended to replace the Exo Terra Reptile UVB300 T5 VHO bulb every 12 months to ensure optimal UVB output, even if the bulb is still functioning.
Is this bulb suitable for all reptiles?
This bulb is specifically designed for reptiles that require high levels of UVB, such as those that bask in open or mid-day sunlight.
Does this bulb produce heat?
While this bulb primarily produces UVA and UVB light, it may generate some heat. Ensure proper ventilation and monitor the temperature in the terrarium.
Can I use this bulb in a standard T8 fixture?
No, this is a T5 Very High Output (VHO) bulb and requires a compatible T5 fixture.
What are the benefits of UVA for reptiles?
UVA rays stimulate appetite, activity, and reproductive behavior in reptiles, contributing to their overall well-being.

