150 watt Aqualine 5,000 German HQI double ended Metal Halide Bulb, AQUALINE BUSCHKE. The Aqualine 5,000 is a metal halide lamp with a color temperature of 5,000 Kelvin (daylight color). This lamp was specially developed for the illumination of fresh water aquaria. It has a high percentage of red light and a high intensity - 11.000 lumens per watt. It gives a planted aquarium a natural appearance and enhances plant growth.