How often do I need to turn the water over in my pond for properly filtration? May 16, 2026 16:56 Updated You should have a pump with a capacity to turn the water over in your pond at least once every one to two hours. Related articles How often do I replace the filter pads? What is an Ecosystem Pond? How to Build a Pond to Attract Frogs and Toads Why do you use rocks in your pond? How often do I need to add water to my AquaGarden Mini Pond Kit or Tabletop Fountain Kit?