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The Aquatlantis EasyBox Coarse Foam Filter Refill (10 PPI, XS) is a key filtration media designed for use with EasyBox/BioBox internal aquarium filters. This coarse foam (10 PPI) provides effective mechanical and biological filtration by capturing larger debris and offering surface area for beneficial bacteria colonisation, which plays an important role in breaking down harmful substances in aquarium water.
Made from a specially structured material, the coarse sponge helps maintain clean, clearer water and supports day‑to‑day aquarium maintenance. For optimal performance, it is recommended to replace the foam every 3–5 months, depending on aquarium load and filter use.
Key Features:
- 🧽 Mechanical & biological filtration: traps debris and supports bacterial growth.
- 📏 10 PPI coarse foam: larger pores for efficient water flow and debris capture.
- 🔄 Replace every 3–5 months for best results.
- 🐠 Compatible with EasyBox/BioBox internal filter systems.
Perfect for small‑tank filtration, it helps keep water quality high and biological balance stable.