Metal Halide Aquarium Pendants
There is no other practical lighting source for an
aquarium that will provide as much light intensity as metal halide
aquarium lighting. This is why metal halide lighting systems are
popular among reef keepers where light intensity is crucial for the
survival of reef organisms. The need for light intensity provided by
metal halides is even more important in deeper tanks. Metal halide
lighting is practical for aquariums deeper than 16" and become a
necessity for aquariums deeper than 30".