Description: Zoo Med T-5 HO Coral Sun Actinic 420 Fluorescent BulbThe Coral Sun is a high intensity actinic lamp with strong emissions in the short wavelength region of the spectrum peaking at 420 nanometers. It promotes growth of zooanthellae algae, essential for the growth and well being of all photosynthetic corals and invertebrates. This bulb simulates the short wavelength blue light which penetrates to reef depth in nature. Output closely matches the absorption peak of chlorophyll used in photosynthesis. Ideal for all marine aquariums or reef tanks. Fits Zoo Med's AquaSun T-5 HO Double Light Linear Fluorescent Hood.
