Swell's Pond Skimmer 3000 is a quality pond surface skimmer that's an excellent addition to any garden pond. Leaves, uneaten food, and general floating pond debris can sink to the base of the pond where it can pollute the pond water, resulting in water quality or clarity problems. By straining the debris before it sinks, this pond surface skimmer helps to keep your pond water clear and healthy. The Swell Pond Skimmer 3000 floats on the water's surface while water is drawn into the skimmer inlet via the built-in pump. Water is then passed through the skimmer basket and strainer where the debris is collected. Simply empty the basket regularly to remove the debris from the pond for continuous skimming operation. The skimmer can be anchored to the side of the pond with string (not supplied) or allowed to free float. Suitable for ponds with a surface area up to 20m², the 3,000 lph pump in the base of the skimmer also creates additional water movement to help prevent dead spots building up in your pond.