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Price drop on LEDs has been substantial in recent years. Plenty of options with optics to customise light patterns, spotlight a given area, controllabillity etc. I don't see a downside but you do need to know your coral.
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Mike 77g sumpless SW DIY 10 watt multi-chip LED build http://www.canreef.com/vbulletin/showthread.php?t=82206 |