UV Spots and other Light

UV Spots and other Light

New UV Rating System

Unlike 10 years ago, when the knowledge of this subject was minimal, we now know the requirements of most species kept in captivity. In order to provide reptiles the best possible lighting solution Exo Terra has tweaked all spectrums and added several new bulbs based on recent research.

No longer should anyone rely on the old 5.0 and 10.0 UVB principle, as these fictive numbers only vaguely indicate the UVB output of the bulb ranging between 280-320nm. The wavelength that is responsible for vitamin D3 photosynthesis however, ranges from 290 to 310 nm with a peak production at 294nm. The UVB range below 290nm is undesirable, and can even be harmful, while radiation above 310nm destroys vitamin D3. The positive effects of UVB lighting for your reptile also depend on many other factors, such as whether the bulbs are correctly sited, changed regularly and turned on for a sufficient number of hours.

Exo Terra's new lighting range utilizes a unique new rating system.

Our new UVB Bulbs come with new, easy to understand names.

The numbers 100, 150 & 200 refer to the average total UVB output at 4" or 10 cm from the bulb. All our new UVB bulbs have been designed for maximum vitamin D3 photosynthesis, by concentrating the UVB output near the 294 nm peak. At this wavelength vitamin D3 synthesis is most active!

In just three easy steps, it will help you determine which bulb is right for your animal. First, check your animal’s star rating on the UV index chart below. Secondly, check your existing set-up for the average basking distance. Thirdly, compare the animal rating and bulb positioning height with those featured on the bulb packaging. If these match, you found the right Exo Terra bulb for your reptile!
Click here to consult the UV rating system.

New UV Rating System Unlike 10 years ago, when the knowledge of this subject was minimal, we now know the requirements of most species kept in captivity. In order to provide reptiles the... read more »
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UV Spots and other Light

New UV Rating System

Unlike 10 years ago, when the knowledge of this subject was minimal, we now know the requirements of most species kept in captivity. In order to provide reptiles the best possible lighting solution Exo Terra has tweaked all spectrums and added several new bulbs based on recent research.

No longer should anyone rely on the old 5.0 and 10.0 UVB principle, as these fictive numbers only vaguely indicate the UVB output of the bulb ranging between 280-320nm. The wavelength that is responsible for vitamin D3 photosynthesis however, ranges from 290 to 310 nm with a peak production at 294nm. The UVB range below 290nm is undesirable, and can even be harmful, while radiation above 310nm destroys vitamin D3. The positive effects of UVB lighting for your reptile also depend on many other factors, such as whether the bulbs are correctly sited, changed regularly and turned on for a sufficient number of hours.

Exo Terra's new lighting range utilizes a unique new rating system.

Our new UVB Bulbs come with new, easy to understand names.

The numbers 100, 150 & 200 refer to the average total UVB output at 4" or 10 cm from the bulb. All our new UVB bulbs have been designed for maximum vitamin D3 photosynthesis, by concentrating the UVB output near the 294 nm peak. At this wavelength vitamin D3 synthesis is most active!

In just three easy steps, it will help you determine which bulb is right for your animal. First, check your animal’s star rating on the UV index chart below. Secondly, check your existing set-up for the average basking distance. Thirdly, compare the animal rating and bulb positioning height with those featured on the bulb packaging. If these match, you found the right Exo Terra bulb for your reptile!
Click here to consult the UV rating system.

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