UVB distance from animal or surface

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Rubble1212

Juvie Member
Beardie name(s)
Rubble
Is the recommended distance for uvb like reptisun or megaray from the beardies back or from the basking surface.
 

Claudiusx

BD.org Sicko
Staff member
Moderator
To make it simple we typically say to surface. But technically speaking, if you want to know the UVI level your dragon is exposing itself to, you'd measure bulb to body.

However, it's not really that big of a difference, unless you have daddylonglegs the beardie :)

-Brandon
 

MrSpectrum

Gray-bearded Member
IDK. :dontknow: Z's basking surface (T5 10.0) is 9" from the bulb. The UVI @ surface is 3.0. One inch higher--the average height of his back while lying on his belly basking--the UVI is 3.5.

I should know whether UVI values are geometric, algebraic, or logarithmic, but I don't. I know they are what they are, and AFAIK, should fall between 3.0 and 4.0 for BDs. (Please correct me if wrong.)

I would also think that UVI zones with a T8 would be condensed somewhat (more so/less so with other types of UVB bulbs), but perhaps not enough to get pedantic about (as I am wont to do :roll: ).
 
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