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Aquarium Filter Media Tetra CR Filterrings 2500 ml – Biological and Mechanical Filter Rings
Summary description:
Tetra CR Filterrings 2500 ml are loose ring-shaped filter media designed for aquarium filtration. Packaged as 2.5 L of ceramic-style rings, they provide mechanical debris capture and expanded surface area for biological filtration by beneficial bacteria. Suitable for canister and internal filters, they help stabilize water quality, reduce ammonia and nitrite levels, and support healthy aquarium ecosystems.