Electric aquarium vacuum: Easy gravel cleaning and automatic water changes. Compact and quiet model.

Three functions: This 3-in-1 aquarium cleaner vacuums water, removes algae, and cleans gravel. Versatile design: It can be powered by batteries or directly via the included AC adapter. Suitable for medium to large aquariums. Easy installation and operation: After installing the gravel cleaner, maintain the water level between MAX (60 cm) and MIN (11 cm) and turn on the device. The aquarium water will be automatically pumped through the hose to perform a water change. Cleaning function: The gravel cleaner effectively vacuums up fish waste and other debris without the need for a water change. Operates on 2 C-type alkaline batteries (not included). Blue hose length: 75 cm.