sera siporax Professional 15 mm 10 l is suitable for freshwater and marine aquariums, as well as for ponds and internal, external, or sump filters.

• Increases the surface area for biological filtration
• Provides an environment for filter bacteria
• Microorganisms process waste and remove pollutants such as ammonia, nitrates, and nitrites
• Made from foamed sintered glass with a three-dimensional porous structure
• Fine pores host bacteria
• Continuous water flow enhances pollutant decomposition
• Porous arrangement allows for self-cleaning of the material
• Combination with specialized bacteria helps prevent algae
• Immediate water treatment