KollerCraft TOM 13-Watt Replacement Lamp for Deco 2 Aquarium Kit Replacement compact fluorescent bulb for TOM 3-gallon Deco aquarium kit (model TM1267) Dual Reef lamp bulb provides 7,400K Daylight on one half of tank (bright light on a sunny tropical day) 14000K True Actinic blue light on other half (for photosynthetic corals) Waterproof design, easy to install If we can be of any help please do not hesitate to contact us at customercare@kollerproducts.com, we'll take good care of you