Aquatic Life 24-Watt 22.5-Inch T5 HO Aquarium Lamp Purple, fits 24-Inch and 30-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