150 Filter Balls, 16mm Porous, for Bio Aquarium, Pond, External Filter

These 16mm filter balls offer an ideal porous surface for bacterial colonization in your aquarium or pond. Made from durable materials, these balls ensure effective biofiltration without altering the water chemistry. Their compact design integrates easily into various external or internal filter systems. Use this filter media to maintain a healthy and clear aquatic environment for your fish. Quantity: 150 pieces Diameter: 16mm Material: Plastic and sponge Type: Biological filter balls Application: Freshwater and saltwater The pack contains 150 16mm filter balls, providing sufficient volume for long-term use in large aquariums and outdoor ponds without frequent replacement. Made from high-quality plastic and sponge, these balls are non-toxic and stable, ensuring complete safety for sensitive aquatic life and plants. The porous structure of this filter media maximizes the contact surface, promoting the growth of nitrifying bacteria to effectively reduce ammonia and nitrites. This compact 16mm design allows for easy installation in external, internal, or sump filters, optimizing available space for improved circulation. Compatible with both freshwater and marine systems, this product is suitable for tropical aquariums, koi ponds, and fountains, ensuring crystal-clear water.