I recently acquired a Coralife 36 Inch Aqualight With 1-96W Actinic / 1-96W 10,000K Lamp Square Pin Base (with fans) used for $50 (great find right!) It works great.
It's this one: Coralife Aqualight Power Compact Fixture With Dual Lamps.
I am using it on my 4' 55 gallon tank mounted in...