hay experts out there. i got a 150 gal and im gonna move my atf and gars in. as of now i have an emperor 400 and geting a canaster to go along. what kind of power head should i get i want a nice strong one. what are some other things i can do to make it nice like bring out the fishs color or make the water better. i want this tank to pefect so what would you guys do in my place to have a sick tank