20k not blue enough - Canreef Aquatics Bulletin Board

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20k not blue enough

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03-13-2008, 08:00 PM

fkshiu

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Join Date: Sep 2005

Location: Vancouver, BC

Posts: 1,499

Relatively speaking, XM 20Ks are pretty white for a "20K" bulb regardless. Not surprising since I think their 20K has higher PPFD than their 15K bulb. The best "deep blue" from a "20k" bulb that I've ever seen is still the Radium 20K.

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