The reason i'm selling because I need only daylight for my planted tank, Brand new never used!! Great for Reef tank 10,000K each bulb, Straight Pin German style. That's all i know about this type of light so please don't ask me anyquestion regard the Atinic blue, it can fit into ballast of 55/65 watts 21" long. $40 shipped anywhere in USA. (if anyone has day light 55/65watts each 10,000K bulbs i'll accept trade also.)
