LED lighting requirement for SPS

[RuGlu6]

The one below may not be the best for SPS but it will be a lot more light (8600 Lumen) then Marineland's 1800 lumen light fixture.
Also this one below has OEM timer that can turn blue LED on first then whites, and turn Blue LED off last for dusk dawn effect.

However some people say that just Blue/White LED combo maybe not enough for corals (especially SPS) as they need full spectrum light available to them. From 420 nm or less, almost UV spectrum all the way up to 14k or even 20k whites including 450nm blue, red, sometimes little bit of Green, Warm White and Cool White. New LED fixtures are coming on the market now with full color spectrum adjustable features but they are pretty penny for sure. Maybe that is why you see some AI sol's for sale on here.

Example below will be most likely good enough for simple corals even SPS, but you may not get good color pop as with old MH HQI/actinic light.

Green Element EVO Quad Reef LED Light Fixture 48" (TR)
http://www.aquatraders.com/EVO-Quad-...TR-p/56263.htm
8640 Lumens


http://www.aquatraders.com/LED-Aquar...show=90&page=1
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