Pond Skimmer | Black | PVC | Adjustable | Height-AdjustableThis pond skimmer ensures clean, clear water with a high visibility depth. The surface of the body of water is continuously cleared of impurities such as leaves, grasses, pollen, insects that have fallen into the water, etc, before they can sink to the bottom. This reduces nutrient overload and algae formation. With the help of a pump (not included in delivery) a thin film of water is sucked off so that a flow is created in the direction of the