The Number-One Fish Tank Cleaner is a powerful and versatile aquarium water pump that can easily remove sediment from the bottom of your fish tank. With its built-in strainer, it effectively prevents little fish or aquatic plants from being discharged. The tank cleaner also features an air bag, vacuum pumping, powerful suction, and adjustable water flow. It’s easy to use and clean, and it’s made of foam that’s resistant to oxidation and chemicals.