Really good information! I am thinking of getting a mangrove for my sump/fuge but wonder if I have enough light. Right now I'm running a DIY LED and it's 14 x 3W yet each diode has a 90deg lens. It's bright enough to grow SPS on the bottom so I assume it's bright enough to grow mangrove at/above the water line. Would this be a safe assumption? Thanks for the advice!
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