Lighting the Reef Aquarium Part 6: Coral Coloration – A Primer By Dana Riddle This colorful Acropora species is not fluorescent – the proteins it contains preferentially reflect red and blue light, making it appear purple. When I managed a commercial coral farm in the 1990’s, we were content just to grow corals and propagate … Continue reading Lighting the Reef Aquarium Part 6 – Coral Coloration – A Primer