Fluval BioMax Replacement Media for U2, U3, and U4 Series Underwater Filters provides an optimal environment for biological filtration. Each ring has a complex pore system that allows beneficial bacteria to thrive, helping to reduce and control ammonia and nitrate.
- Provides optimum biological balance
- Complex pore system supports colonization and growth of beneficial bacteria
- Reduces and controls ammonia and nitrate
- Replacement bio-media for Fluval U2, U3 and U4 Underwater Filters
Directions: Rinse before using. Safe for freshwater, marine, or reptile habitats.