WINGZERO;1793319; said:Tanning only happens when there's enough UV to "tan" the pigments in the scales/skin...NAN lights do not produce enough UV to do that.
NAN light only enhances the color based on the spectrum it generates...![]()
Speak of an expert
BTW, the word "tanning" is more like a talk. Some fish just tend to show color under lighting, like Flowerhorn, the brighter the light, the better the color.

