Combo bulb vs Dual lighting system

Combo bulb VS Dual Lighting system

A combo bulb (or mercury vapor bulb) for reptiles combines heat, visible light, infrared-A heat radiation, UVA and UVB radiation in one source, while dual lighting typically involves a separate heat bulb (producing UVA, infrared-A heat, visible light and heat) and UVB lamps (producing UVA and UVB radiation and visible light). Dual lighting allows for more precise control over heating and UVB levels, while combo bulbs are easier to set up.

Combo Bulb:
• Pros:
• Simpler setup: One lamp fixture instead of two.
• Convenience: Provides heat, visible light, and UVA and UVB all in one.
• Space-saving: Can be more compact than separate fixtures.
• Cons:
• Less control: Difficult to adjust heat, UVA and UVB levels independently.
• Potential for overheating: If not calibrated correctly, can overheat certain areas.
• Less coverage: UVB is only provided while directly under the lamp.
• Cannot use a dimmer: Mercury vapor bulbs are not dimming thermostat compatible.
• Expense: is often deemed expensive for a single bulb
• Longevity: Combo bulbs will produce UVB for close to 12 months
Dual Lighting:
• Pros:
• Precise control: Allows for independent adjustment of heat and UVB levels.
• Adaptable: Different heat and UVB sources can be used together.
• Better coverage of enclosure: Allows you to control where and when heat and UV is available on a much greater scale.
• More natural: Dual light systems more closely resemble natural light cycles.
• Longevity: T5 bulbs will produce UVB for 12-18 months
• Cons:
• More complex setup: Requires two lamp fixtures, possibly separate dimmers and numerous plug sockets
• More space: Can take up more space in the enclosure.
• Potentially higher cost: Two separate bulbs and fixtures can be more expensive.
• Expense: can cost up to £85 for the T5 unit and the bulb.
Which to choose?
• Combo bulbs: are suitable for those who prefer simplicity.
• Dual lighting: is preferred for beginner and experienced reptile keepers who need to tailor the environment precisely.
You will need to consider the size of your enclosure, the needs of your specific reptile species, and your own preference for ease of use. Both methods have merit, but different species of reptile have different UV and lighting needs from intensity and temperature to UV percentages. We are happy to advise you on what would work best for you and your animals. Contact us and a member of our friendly reptile team will happily answer all of your questions.

Why not check out our YouTube channel for some cool videos on our reptiles and helpful tips on husbandry!