I am planning on converting my 55 gal native aquarium into a flowing stream aquarium and stock it with some natives from local streams. I am curious how others have their tanks set up. I am also curious how much current/flow should be in the tank. Any info on how many gph I should be looking for in pumps and recommendations on how to set up the tank would be greatly appreciated. I am running a 55 gallon aquarium with a canister filter right now.