SCU33ZE said:I also used a 100W in my 12 g.
It turns on for less time thus making it more efficient
Kasakato said:I think he meant time efficient, not energy.
Kasakato said:Its quicker. Like if the tank goes down to 60F for some reason it goes back to 77F (leaving out that fast changes are bad) faster. Other than that, I dono, ask SCU.