Hydor Bluballs – Large Surface Plastic Bio-Balls for Aquarium Biological Filtration

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About this product

Hydor Bluballs are high-surface area plastic spheres designed to deliver efficient biological filtration in your aquarium system. These bio-balls allow beneficial bacteria to colonise and break down ammonia and nitrite, helping you maintain clear, healthy water. Each pack contains 300 g of Bluballs — simply place them in the designated filtration chamber of internal or external filters to enhance your biological media capacity. Whether you're upgrading your filtration or replacing worn media, Bluballs offer an effective, space-efficient solution. Key Features: Large surface-area plastic spheres that promote bacterial growth. Suitable for insertion into the biological compartment of aquarium filters. Each package contains 300 g of material — enough for many standard tanks. Helps maintain a stable nitrogen cycle and healthier aquatic environment. Usage Tips: Rinse the media under clean water before placing it in your filter. Install in the biological chamber, ensuring good water flow through the media. Monitor ammonia and nitrite levels after installation to check effectiveness. Replace or renew as needed when media begins to degrade or clog.

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