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Thread: Black Lights to replace Actinnics

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03-04-2007, 01:49 PM	#3 (permalink)
Diver_1298 Eyelash Blennie Join Date: Sep 2004 Location: Lakeland, Fl Posts: 1,294 Karma: 558	Blacklights are usually around the 370nm spectrum. This is well below the 420 to 460 nm band that most marine actinic bulbs are set up for. This is too low to do anything for the corals in your tank. Jim Last edited by Diver_1298; 03-04-2007 at 04:26 PM. Reason: spelling

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