LED My TANK! ReefLEDLights | LED Aquarium Lighting ReefLEDLights | LED Aquarium Lighting Has a good amount of information on it. Here you can see previous inquries, https://www.reef2reef.com/forums/reef-led-lights/61255-sticky-previous-tank-inquiries.html if you cant find your answer in there make a new thread in this forum with the following information, copy and paste the questions below. " (Thread Title) - Size of your tank and primary inhabitants (Body of thread); Tank Dimensions (in inches) - Height of fixture from the water - Primary inhabitants (SPS, LPS, SOFTIE, FOWLR, ETC) - Current lighting setup Desired Kelvin color balance (18k, 14k, 20k etc) Dimmable or non dimmable Do you have a controller? (reefkeeper, APEX) " Or hit the quote button. Answer the questions and then we can help you.