Aquatic Life 39-Watt 34.5-Inch T5 HO Aquarium Lamp Purple, fits fits 36-Inch and 72-Inch T5HO Light Fixtures Designed for marine fish and corals Ideal for: Acroporas (SPS), Anemones, Clams, Hard Corals (LPS), Leathers, Mushrooms, Polyps, Soft Corals, Xenia Phosphor mix produces a light spectrum that accents red pigments in corals