lighting ?

[dave1967]

is 40 watts good enufe for a 75 gallon tank. no real plants

 

[OldVamp]

If you're not trying to keep plants alive, lights arn't even a real necassary. They just help you see the fish . Granted fish like light too.

 

[jeffro426]

For general viewing you should be perfectly fine...i used 30 watts total on my 55 when it wasnt planted and it was just fine for fish only.