Would one of these (1200gph) be too much for a 45G tall? The tank is 36" long, 12 inches wide, and 24" tall. Right now I have a MJ900 (235 gph), an Aqua Clear 70 (400gph), and my sump return at about 600gph. I would remove both existing powerheads and replace with the single Koralia. It is...