Fine-Grain Filter Sponge

40 ppi Density

Universal filter sponge that ensures your tank has effective mechanical and biological filtration. Thanks to its high density, it captures even the finest impurities. The sponge is an excellent habitat for nitrifying bacteria, which ensure the proper functioning of the aquarium ecosystem. 

• universal sponge - easily cut it to the size you need
• high density - handles 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 its inhabitants.