Powkoo Replacement Sponge Aquarium 2-Pack Aquarium Filter Sponge Replacement for Sponge Filter -Sponge-

It is important to replace the sponge filters regularly for optimal filter performance. Kind tips: How often do these need to be changed? Needs to be replaced every 5 to 6 months maximum. It filters the nitrates very well if you constantly change it every 5 to 6 months. Features: Sponge filters provide both mechanical and biological filtration Simply install the replacement sponges into the arms holding the sponges Aerobic bacteria colonize the sponge providing a bacterial substance to facilitate the nitrogen cycle The replacement sponge filter is the best choice for specific application for raising Discus, Shrimp Tank, Angel Fish and other fish the sponge traps larger waste particles mechanically cleaning the water without trapping baby fish They are useful for as breeding filter or as secondary filter they can also be used as pre-filtration unit by fitting to an external or a top filter Package Includes: 2 x Powkoo Aquarium Filter Replacement Sponges for Sponge Filters