Coralvue™ metal halide bulbs feature the highest color quality for aquarium lighting. The Coralvue™ bulbs have a great combination in color balance and color temperature. The appearance of sun light is replicated perfectly by the Coralvue™ bulbs, which make for ideal lighting for your corals and fish. The Coralvue™ bulbs are available in many sizes and color temperatures. The mogul base bulbs are available in 175W, 250W, and 400W. We offer 3 different color temperatures in our mogul base bulbs: 10000K, 14000K, and 20000K.