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  1. coreyulicni

    reef tank lighting help and suggestions

    I just started a 55 gal reef tank 48" long. I currently have an odyessa light with two t5 bulbs one is white light and the other is blue light. it also has 4 LEDs. I seem to have trouble keeping some of my corals alive. if the light is good enough what lighting should I use and for what time...