True Actinic 03 Blue provides light in the 420 nanometer range that reflects color pigments in organisms such as corals, fish and invertebrates causing them to fluoresce glowing colors.
The Coralife T-5 True Actinic 03 Blue bulb is designed to simulate the softer shades of dusk, dawn and the blue hue of deeper water. Its spectrum resembles that of the absorption peak of chlorophyll, which is the most important pigment found in plant cells. Fits 24-inch aqualight T-5 fixtures and other similar T-5 fixtures. (14 watts)