Medium filter sponge

With a density of 30 ppi

A universal filter sponge that will provide your tank with effective mechanical and biological filtration. Thanks to its high density, it will capture even fine impurities. The sponge is an excellent habitat for nitrifying bacteria, which ensure the proper functioning of the aquarium ecosystem. 

• universal sponge - you can easily cut it to the sizes you need

• high density - will handle even very fine impurities

• effective mechanical and biological filtration

Thanks to the appropriately selected materials, the sponge is completely safe for the aquatic environment in your aquarium and for its inhabitants.