Three Modes: The 3 in 1 Aquarium Cleaning Tool sucks up water, removes algae, and cleans gravel. Multi-purpose design: The gravel cleaner can be used directly with batteries and adapters. Freely adjust the different lengths: 62/73 cm, suitable for medium and large aquariums. Easy installation and use: Gravel cleaner installed, please keep the water level between MAX (60cm) and MIN (20cm), then turn on the switch. The aquarium water is automatically pumped through a hose for the water change. Cleaning function: can also clean gravel, effectively siphon fish deposits and other dirt without the need for water change. Properties and additives: high safety performance, only 2 size C alkaline batteries are needed (package not included). Blue hose length: 75 cm. Mechanically fixed, no lubrication, safer for fish: Toxic substances, such as oil and glue, can affect the survival of fish. The combination of components of this aquarium sand cleaner is not sticky and does not require oil to
