For a number of reasons (space, ease of access, ease of maintenance, etc.) I want to move 3 media reactors to closet about 10 feet away from the tank. Getting water to the reactors is easy: I'll run hard PVC through the wall terminating in a manifold that feeds the reactors.
How do I get the water back to the tank? My first thought was another manifold but I'm worried that the very different flow rates of the reactors (biopellets is 2-3x higher than GFO) will cause issues such as the biopellet OUT overpowering the GFO IN which would prevent the GFO from working at all.
I thought of using a larger return manifold and pipe but I'm not sure if I'll have the height required to gravity drain to the sump.
Any ideas other than 3 return lines?
A sketch of the intended design is attached. Thanks in advance!