Coralife Energy Savers ACL54210 50/50 Mini Compact Bulb, 20w
This bulb enhances freshwater and saltwater aquariums. It is 50-percent 10000k and 50-percent actinic 03 blue. It has a high-intensity output with low operating temperature. It is a 20 watt self-ballasted compact fluorescent lamp that fits a standard medium base. The lamp equals a 100 watt incandescent lamp and has a 6,000 hour life.