so, I'm running this led fixture thats called an aquatop skyled 24" so it hangs off a little. Also found that aquatop made a little circulation pump that pushes i want to say 256gph. Im using stock filteration method, but switched out the carbon to chemi pure. then just using a little 25watt heater. so far so good. birdsnest is open and appears to be thriving as well as the other corals I have. I plan on buying the advanced moonlight system from steve's leds soon because the fixture doesn't allow for seperate moonlights so there isn't night time enjoyment.