Ok, it's unanomous. Off I go to buy a couple power heads.
Kim,
In reguards to turnover, each of your water pumping devices has a GPH (gallons per hour) rating on it. A GPH rating specifies how many gallons that device can pump in 1 hour. You have a Hagan Fluval 404 @ 340GPH, 2 Hagan Aquaclear...