Hey guys I'm setting up a 450 gallon roughly 10x3x2 and am going to be running a Laguna 2900 return pump. I'm am having trouble deciding how many overflows and what size pipe to use. I was thinking 2 overflows at 2 inches each with 1 return at 2 inches? Or should I go 1 inch? Or should I go 3 overflows at 1 inch? Any help would be appreciated thanks