Thread: Actinics . . . Necessary??
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Old 04-08-2005, 01:47 PM
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Ryan said,
Quote:
I agree..kinda. Corals need some sort of blue spectrum in their lighting.
Every bulb has blue spectrum in it even if you can't see it. Some change the spectrum visibility by emphasizing various wavelengths. When used with MH, actinics are purely esthetic IMO.
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