CerMedia MarinePure 1.5" Sphere Bio Filter Media – 3.8L

High-Capacity Biological Filtration for Exceptional Water Quality

The MarinePure 1.5" Sphere Bio Filter Media (3.8L) delivers superior biological filtration for both freshwater and marine aquariums. Engineered with Thin Bio-Film Technology, these ceramic spheres create the ideal environment for beneficial bacteria to thrive, helping to eliminate ammonia and nitrite while reducing nitrates.

With each 1.5" sphere offering the same surface area as 1,350 plastic bio-balls, this 3.8L pack provides incredible filtration efficiency in a compact footprint, making it ideal for sumps, canister filters, and wet/dry systems.

Key Features

• 3.8L of 1.5" ceramic spheres

• Maximum surface area for biological filtration

• Designed for ammonia and nitrite removal

• Helps reduce nitrates for improved water quality

• Suitable for freshwater and saltwater systems

• Inert and chemically stable – safe for all tank types

• Ideal for sumps, canister filters, wet/dry filtration

• Open pore design allows water to flow through media, not around it

• Promotes thin bio-film growth for efficient nutrient processing