Blue actinic lamp ideal for the marine aquarium. Thanks to its special thermal degree, 25,000 degrees K, in combination with the icewhite haquoss lamp faithfully reproduces the environmental conditions of corals and marine invertebrates stimulating their growth. Promotes the development of zooxanthella algae, improves the color of fluorescent fish and corals. It is also advisable to use it in freshwater aquariums to achieve the sunrise-sunset effect before turning on and off the main lights.