Sera Crystal Clear Professional 12pcs

Sera Crystal Clear Professional 12pcs is a top-tier filter medium designed for exceptional mechanical filtration. Its unique, patented 3D fiber structure efficiently captures tiny particles over 10 µm, including floating algae and debris, in record time. Unlike traditional filter wool, these durable filter balls maintain their form and can be rinsed and reused multiple times, with up to 80% reusability after cleaning. This high-efficiency filter medium works seamlessly in both freshwater and saltwater aquariums and is compatible with all filter systems. Pair it with the biological filter medium sera siporax Professional for optimal aquarium maintenance.