Aquarium Biochemical Sponge Filter Pad

This thick biochemical sponge filter pad is designed to provide efficient mechanical and biological filtration for aquariums and ponds. Made from durable black foam and available in multiple densities (15–50 PPI), it effectively traps debris while supporting beneficial bacteria growth for improved water quality. The large 50×50×5 cm size can be easily cut to fit different filter systems. Ideal for fish tanks and ponds, this sponge filter media helps maintain a clean, healthy aquatic environment.