|WikiProject Physics||(Rated Start-class, Low-importance)|
Not sure why this article was re-'stubbed'... I messaged the editor that re-applied stub label and got no response so, removing stub label again. If anyone has info they would like worked into the article just message me. Jonathan888 22:30, 10 October 2005 (UTC)
After researching further, externally, am I correct in reaching the conclusion that the use of "Actinic" was meant to convey - "Sensitivity to a specific wavelength (or zone) within the visible light spectrum"? If so, maybe a similar statement should be added to this article for ease of understanding. 18.104.22.168 (talk) 22:31, 1 February 2016 (UTC)
What exactly is an actinic light for aquariums? Is that the only definition, that it 'gives off a bluish tint'? Or does it have UV light too? Is it called actinic because it tries to cause photochemical reactions (i.e. growth) in coral? --22.214.171.124 03:10, 14 August 2007 (UTC)
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