here's a pick of the pump i ordered and will be using to provide all the flow in my tank and i have an older pump from a previous setup i will keep for a back up.
Quiet and durable, these magnetic drive pumps feature a powerful cooling fan, durable polypropylene impeller and housing, ceramic impeller shaft and thrust ring. The motor is totally enclosed. Connection size is 1" male threaded. Maximum head pressure is 39.4 feet, max flow rate is 1744 GPH. Cord length is 3.5'.