150 Bio-Balls – Premium Biological Filter Media for Ponds

Keep your pond water clean and healthy with this 150-pack of durable bio-balls. Engineered for optimal biological filtration, these compact units provide maximum surface area for beneficial bacteria to colonize. They are a long-term solution for maintaining balanced ecosystems in koi ponds, water gardens, and large aquarium systems.

Each ball is designed with a high-flow, open-structure pattern that allows water to circulate freely, reducing the risk of clogs while supporting biological activity. Their lightweight design ensures easy handling and placement in pond filter chambers, waterfall boxes, and skimmers.

Whether you're maintaining a backyard water feature or running a larger-scale pond setup, these bio-balls support efficient ammonia and nitrite conversion, helping you achieve clear, oxygen-rich water for fish and aquatic plants.

Made from rugged plastic, they’re washable, reusable, and will never degrade over time like other media types. Ideal for hobbyists and professional pond keepers who demand dependable performance.

Features

• High Surface Area: Maximizes space for beneficial bacteria growth

• Non-Clogging Design: Open-grid structure allows excellent water flow

• Durable Material: Reusable, long-lasting plastic construction

• Low Maintenance: Easy to clean and install in most pond filter systems

• Versatile Use: Ideal for koi ponds, water gardens, aquaponics, and aquariums