I've been running a 10 watt LED diy fixture for over a year. Works great, coverage is fine. It's all a matter of spacing, height of fixture above water & possibly optics, whether 3 watt, 10 watt or larger multi chips. Check the link to my build below fo mo info. Many multi chip leds 10 watt & up are now available with a mix of colours on the same chip.
Last edited by mike31154; 08-04-2013 at 04:15 AM.
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