Pics

 Marine Betta

 Inside of Skimmer

Skimmer Exit

 Full Skimmer

 Skimmer Inlet Pump

 Skimmer Elbow

Inlet to Skimmer with air attachment

End of Air Attachment

Very End

 Cup and Possible Inlet

Top of Cup with other possible inlet

 Does it go Here?

 Or Here?

Exit

Real Exit...