How to Open a Rio 2500 Pump

The Rio 2500 is an aquarium pump used to power under gravel filters. The maintenance schedule calls for the impeller to be cleaned weekly, otherwise it may clog with debris. To clean the impeller, you must first open the pump. Fortunately, opening the pump is simply a matter of removing the strainer and end cap.

Instructions

    • 1

      Unplug the pump, detach any fittings and remove it from the aquarium.

    • 2

      Pull off the housing strainer.

    • 3

      Remove the end cap retainer from the pump by twisting it off in a counterclockwise direction. Pull out the housing end cap, and then pull out the magnetic impeller.