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  1. Possible Lighting Intensity Issue Causing Tissue Necrosis on SPS Corals.

    I have run into my first major issue with my reef aquarium. I built my LED Lighting System myself. It consist of 4 independent Meanwell LPC-5-700W Drivers each with 6 LED's (three Cree XP-G R5 Cool White LED's & three Cree XP-E Royal Blue LED's) for a total of 24 LED's with 40 degree reflectors. I originally had the lighting system suspended about 8 inches from the top of the aquarium. My seabed is located 15 inches into the aquarium. This lighting system put out the equivalent of a 250 ...