Both overflows from the main tank enter the sump on the far right. This first chamber houses a 500w titanium heater controlled by a ranco temp controller. This section flows over a custom water jet cut piece of glass that holds 4 filter socks. Bio media under filter socks. Return pump for right side of tank is in this sump too.
Right sump is connected to the left with 2" bulkheads. The left sump is sectioned in half. The return pump for the left side of the tank is in this sump. It is T'd off to feed the second half of the sump to act as a hospital/qt tank if needed.
