Boost the efficiency of your aquarium or pond filtration with Oceanmax Bio Balls Filter Media, available in a 500g box of 8-10mm bio balls. Designed for compact integration with most filtration systems, these bio balls offer a large surface area that promotes rapid colonization of beneficial bacteria. This aids in the effective breakdown of ammonia and nitrite, ensuring stable, clear water with minimal maintenance. Suitable for both freshwater and saltwater environments, they’re the ideal solution for lasting biological filtration.