BLACK BIOCHEMICAL COTTON 50×50×2CM

The Black Biochemical Cotton is a specialized aquarium filtration pad measuring 50×50×2cm. This dense, black foam material is designed for mechanical and biological filtration in aquarium systems, helping to maintain water quality and provide surface area for beneficial bacteria growth. Key features: • Dimensions: 50×50×2cm • Black color for discreet appearance • Dense foam structure for effective filtration • Suitable for both mechanical and biological filtration • Durable and reusable material • Easy to cut and customize to size This biochemical cotton pad can be used in various aquarium filtration setups including sumps, canister filters, and overflow systems. The foam's porous structure traps debris while providing ample surface area for beneficial bacteria colonization. Regular cleaning and maintenance will help extend its lifespan and maintain optimal filtration performance. The black color helps prevent visible algae growth and maintains a clean appearance.