- updated 3 years ago
We offer a wide variety of Metal Halide bulb choices to suit your aquarium lighting needs.Most of the MH bulbs in the same wattage format can be interchanged. However, please contact us to make sure.The K at the end of color rating for each bulb stands for Kelvin. This is a measurement of the color temperature. The higher the Kelvin rating, the cooler (bluer) the color of light given off by the bulb. In general, the color given off by the 10,000K German is interpreted as being a perfect white color.NOTE: Double ended bulbs should always be used...