Radium 400watt 20k Single Ended Metal Halide Bulb Radium Halide bulbs are some of the most popular metal halide bulbs for aquariums.  Radium MH bulbs produce a very nice 20k appearance that give corals alot of growth...

Radium 250watt 20k Single Ended Metal Halide Bulb Radium Halide bulbs are some of the most popular metal halide bulbs for aquariums.  Radium MH bulbs produce a very nice 20k appearance that give corals alot of growth...

MegaChrome Crystal 17500K 400watt, Single Ended Bulb by Giesemann is an amazing metal halide light bulb with great coloration and the largest wattage available.  They provide a visual white coloration of lighting with a...

MegaChrome Crystal 17500K 250watt, Single Ended Bulb by Giesemann is an amazing metal halide light bulb with great coloration.  They provide a visual white coloration of lighting with a slight blue hint giving your...

Ushio 20k 150W Double Ended Metal Halide Bulb Ushio Aqualite™ 10,000K metal halide lamps simulate the appearance of sunlight near the equator in ocean depths of approximately 5 meters. Aqualite™ 14,000K and...

Ushio 14k 150W Double Ended Metal Halide Bulb Ushio Aqualite™ 10,000K metal halide lamps simulate the appearance of sunlight near the equator in ocean depths of approximately 5 meters. Aqualite™ 14,000K and...

Ushio 10k 150W Double Ended Metal Halide Bulb Ushio Aqualite™ 10,000K metal halide lamps simulate the appearance of sunlight near the equator in ocean depths of approximately 5 meters. Aqualite™ 14,000K and...