Biochemical Filter Sponge for Aquariums, Cuttable, Dense

Enhance your aquarium’s water clarity with this dense biochemical filter sponge. Its dual-layer design supports both mechanical filtration and beneficial bacteria growth. Made from durable, reusable synthetic fibers, it’s soft, elastic, and easy to clean for long-term use. Free from additives and glue, it’s safe for fish and aquatic life. The cuttable design fits most filtration systems, ideal for saltwater, freshwater, and planted tanks. Excellent water permeability prevents clogging and ensures smooth flow for easy maintenance.