175w PFO 13000K metal halide mogul base socket bulb.

175w Hamilton 6500K metal halide bulb.

175w Hamilton 5500K  metal halide bulb.

175w Hamilton 20000K metal halide bulb.

Bright ice white blue appearance, full spectrum consisting primarily of high spikes in the 440-460 nanometer range with additional smaller spikes in 550, 590 and 690 nm range. Will bring out an attractive fluoresence from your fish and corals. Get desired actinic blue color effects without the need to add actinic blue fluorescents to your metal halide. Outstanding color! Screw type lamp.

This bulb initially starts with a deep blue color (approximately 20000K). After working for a short period, the color shifts to a lighter blue (12000K). This bulb will give your aquarium an attractive blue hue and will bring out the colors from your fish and corals. Screw type lamp.

Ushio stamp 175 watt 10K metal halide lamp. Ice white appearance. Screw type mogul socket lamp.

175w Aqualine Buschke 10000K German screw type metal halide bulb. The Aqualine 10000K lamp has a color temperature of 13000º Kelvin and a high percentage of the light output is at the blue end of the spectrum. Aqualine 10000K was the first metal halide lamp to simulate the light conditions of a coral reef and the new lamp with its improved long term color stability, results is an even more realistic looking aquarium. The corals show their natural colors, and the lighting encourages excellent growth. The Aqualine 10000 helps to transform your aquarium into a perfect reef tank.