The latest lighting innovation enables all aquarists to successfully mimic natural lighting environments in their aquariums. Giesemann have studied all aspects of lighting - from reflectors to tubes - to bring you ther Giesemann Razor T5 light - the most effective and energy efficient lighting solutions possible. Ideal for freshwater and marine aquariums, the Giesemann Razor can be used as the sole lamp in covered aquariums, for example, or as an additional one for uncovered aquariums.