Information about AQQA Aquarium Sponge FilterThe AQQA Aquarium Sponge Filter redefines fish tank filtration with its innovative design and multi-functional capabilities. Unlike traditional filters, this model boasts an upgraded heavy base, ensuring it stays securely at the bottom of your tank without any worry of floating.Ultra-Quiet and Energy-Saving OperationThis air-powered submersible filter operates with remarkable quietness and energy efficiency. It provides effective filtration without disturbing your aquatic inhabitants, making it ideal for creating a peaceful and healthy environment for your fish.All-in-One Aquarium SolutionThe AQQA sponge filter is a true multi-tasker, combining filtration, aeration, and water circulation in a single compact unit. It works tirelessly to keep your fish tank crystal clear and provides a superior living environment for all your aquarium inhabitants.Superior Multi-Layer FiltrationDesigned for maximum effectiveness, the biochemical sponge filter features multiple layers that significantly increase the filtration area. This design not only traps debris but also provides an expansive surface for the cultivation of beneficial bacteria, crucial for maintaining water quality.Versatile for Various Tank SizesWith its wide application range, the AQQA sponge filter is suitable for tanks from 15 to 450 liters. It’s an excellent choice for breeding fry tanks, shrimp and betta fish tanks, as well as both freshwater and marine setups. (Remember to squeeze the sponge repeatedly until it’s full of water to help the filter sink to the bottom of the aquarium upon first use.) Filtration & Beneficial Bacterial CultivationThe biochemical sponge filter is designed with multiple layers to provide a larger filtration area and help cultivate beneficial bacteria. More Than a FilterCombines filtration, aeration, and water circulation in one, AQQA sponge filter helps to keep your fish tank crystal clean and provide an excellent living environment for your aquarium inhabitants. Upgraded Aquarium Sponge Filter Upgraded version adopts a heavy base, enables the sponge filter sit in the tank stably. No worry about floating any more. Installation Steps Wide Application