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No, but I did some work with BuildMyLED years ago, and looked at Porites lobata growth rates under different LED spectra. Corals kept under the LED light with lots of violet and blue had the most growth, although it was staistically non-significant.Cool shot! I like that red! Looks like the inside of a volcano. I wanted to ask if you had any articles about growth rates differences from T5 vs LED vs Metal Halides