Description
Good Helper for Fish Tank — Our foam can promote the growth of beneficial bacteria in the fish tank filter, allowing your fish and plants to thrive! Porous Structure — The porous structure increases the surface area for the growth of beneficial nitrifying bacteria, which is ideal for capturing small particles in aquarium water. It can perform mechanical filtration and biological filtration. Corrugated Design — The numerous grooves maximize the surface area for beneficial bacterial colonizatio
