BLUE BIOCHEMICAL COTTON

This blue biochemical cotton filter pad measures 50×30×2cm and is designed for aquarium filtration systems. The dense, porous material helps maintain water quality by trapping debris and providing surface area for beneficial bacteria growth. Key features: • Blue color for easy identification • Dimensions: 50×30×2cm • Dense, porous structure • Reusable filter media • Suitable for most aquarium filters • Promotes beneficial bacteria growth This biochemical cotton filter pad can be cut to size to fit various filter configurations. The material should be rinsed before first use and cleaned periodically to maintain optimal filtration. Replace when the pad begins to break down or lose its structure, typically every 2-3 months depending on tank conditions and bioload.