I am in the process of putting together a 40 gallon tank 36"x16"x15". I am going to use (2) 96 Watt PC bulbs, but am not sure what "size" to use for the lighting. They are listed from 5000K, 6700K, 8800K, and 10,000K.
I want to do soft corals with a handful of fish. What do you recommend?
I...