The Aqualine 10000 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 10000 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. HQI double ended lamp.

The Aqualine 5000 is a metal halide lamp with a color temperature of 5000° Kelvin - daylight.This lamp was specially developed for the illumination of freshwater aquaria having a high percentage of red light and a high intensity - 11000 lumens per watt. It gives planted aquaria a natural appearance and enhances plant growth. HQI double ended lamp.

The Aqualine 20000 lamp has a color temperature of about 20000° Kelvin. The use of this "actinic" bulb enhances the flourescent blue and green colors of many corals. The bulb should be used in combination with Aqualine 10000. This combination gives the aquarium a beautiful bluish hue. Many corals show positive reactions if illuminated with aqualine 20000 and increase their growth rates.  HQI double ended lamp.

Made in Germany, True 10K Ice White color, double-ended HQI lamp. Must be used with a 250 watt HQI ballast or 250W electronic ballast.

250w 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.

Ushio stamp 250 watt 10K metal halide lamp. Ice white appearance. Screw type mogul socket lamp.

This bulb initially starts with a deep blue color (approximately 20K). After working for a short period, the color shifts to a lighter blue (12K). This bulb will give your aquarium an attractive blue hue and will bring out the colors from your fish and corals. Screw type lamp.

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.

250w PFO 13000K metal halide mogul base socket bulb.

250w Hamilton 6500K Iwasaki metal halide bulb.