Why you shouldn't use colored lights for night heat.

[jarich]

Originally Posted by StudentoReptile

My simple observation is that while yes, infrared is only part of light spectrum of which some of these species can see, in terms of circadian rhythm and nocturnal behavior...moonlight in nature is not infrared, or blue, or deep purple.

Actually moonlight is all of those things. It is reflected sunlight, so still has all the spectrum, UV, etc that sunlight has, merely less of it.