Mega-Ray Mercury Vapor Bulb – 275 Watts
$51.95
⭐⭐⭐⭐⭐
🏆 Proven 10-Year Track Record – Longest lasting UVB production
🆚 30% Decay Rate vs 80% – Superior technology saves money
☀️ Natural Sunlight Simulation – Prevents metabolic bone disease
✍ Self-Ballasted Design – No external ballast needed
🛡️ Unique Magnesium Oxide Coating – Only bulb in the world with this tech
Satisfaction Guaranteed
- Free Shipping
- Authentic Mega-Ray
- 6 Month Warranty
- Future Discounts
Description
💡 Why Mega-Ray Costs Less in the Long Run
| Feature | Mega-Ray Bulb | Typical Competitor | Your Savings |
|---|---|---|---|
| UVB Decay Rate | 30% | 80% | 2.5x better |
| 18-Month Cost | $103.90 | $135.00 (3 bulbs) | Save $30+ |
| Vet Bills Prevented | Prevents Metabolic Bone Disease | Higher risk | Save $200+ |
🔬 Technical Specifications
| Wattage | 275 Watts |
|---|---|
| Bulb Type | Self-Ballasted PAR-38 Narrow Flood |
| UVB Coverage | 30″ circumference at 20″ distance |
| Minimum Safe Distance | 12 inches from reptile’s head |
| Recommended Replacement | Every 6-12 months |
| Suitable For | ⚠️ THIS BULB IS A ZOOLOGIST BULB. NOT INTENDED FOR PERSONAL USE UNLESS YOU NEED UVB WITHIN THE OPTIMUM DISTANCE OF THE BULB FOR YOUR HABITAT |
| Voltage | 120V (North America) |
Important Safety Information
- Must use wire dome fixture only – Plastic fixtures can melt
- Maintain minimum 12″ distance from reptile’s head when basking
- Allow 15 minutes cool-down before moving if accidentally bumped
- Use with Solarmeter 6.5 for optimal UVB monitoring (recommended)
🗣️ What Reptile Owners Say
⭐⭐⭐⭐⭐ Verified Purchase
“My iguana’s calcium levels improved dramatically after switching to Mega-Ray. My vet was amazed at the blood test results. These bulbs are worth every penny – I’ll never use anything else!”
⭐⭐⭐⭐⭐ Verified Purchase
“I’ve used over a dozen Mega-Rays in my breeding facility. Consistent quality, longest-lasting, and my animals are healthier than ever. The customer support is also outstanding.”
⭐⭐⭐⭐⭐ Professional Recommendation
“As a reptile vet, I exclusively recommend Mega-Ray bulbs to my clients. The UVB output is consistent and reliable – exactly what reptiles need for proper calcium metabolism.”
DISTANCE
275 watt: THIS BULB IS A ZOOLOGIST BULB. NOT INTENDED FOR PERSONAL USE UNLESS YOU NEED UVB WITHIN THE OPTIMUM DISTANCE OF THE BULB FOR YOUR HABITAT. MINIMUM distance of 30” will produce approximately 150-200 microwatts per square centimeter (uW/cm2) of UVB and 900-1200 uW/cm2 of UVA. MAXIMUM distance setting of 48” will produce 50-70 microwatts uW/cm2 of UVB. OPTIMUM distance: 36-42”.
The MegaRay Mercury Vapor Self Ballasted Bulbs are professional bulbs and should be respected as such. All too often our clients mistake “minimum distance” with “optimum distance”. As an example, the 100 watt bulb can be used between 12-20” (3050 cm) but 14-16” seems to suite most species of reptiles (including turtles and tortoises). Screens will deflect 20-40% of the light, heat (infrared) and UVB.
HUSBANDRY
Vegetations creating spotted sunlight are another consideration of distance. Know your species. Do research. Always consider more distance and additional heat, as needed, along with proper humidity and airflow. Basking distance is measured from the lamp face to the basking distance or the reptile for optimum UVB and heat. If the husbandry is set up PROPERLY, ALL animals can use our bulbs.
FIXTURES
All of our bulbs require a ceramic base and require a higher amount of wattage and voltage than the bulb you need. An example: you need a 100 watt 120 volt bulb, the fixture needs to hold over 100 watts for the best results.











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