I would rig some other return in-place of the stock XP-3's for a turtle tank. You won't want it at the top of the tank as he said above. It will be very stressful for all inhabitants.
Take a piece of the tubing to Home Depot & start workin it out with PVC. Bring the return spray bar to or bellow the water level.
Take a piece of the tubing to Home Depot & start workin it out with PVC. Bring the return spray bar to or bellow the water level.