Someone asked me if..

aquaknight

Active Member
http://en.wikipedia.org/wiki/Black_light
Possibly. Light emitted from the black light, is in fact, in the UVA longwave spectrum. Granted, it's the weakest UV, but prolonged exposure can have some side effects to humans. I wouldn't recommend it.
Additionally, black lights works by phosphorescence. All the algae in your tank, responds very strongly to the black light, and generally looks like crap.
 
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