Specifically designed for the Fluval U-Series filters, the Poly-Max Cartridge helps control green water and unsightly algae growth by trapping and adsorbing phosphate, nitrite and nitrate.
- Chemical filter media
- Produces crystal clear water, reduces odor, and creates ideal conditions for fish and plants
- Helps reduce overall aquarium maintenance
- Suitable for freshwater, saltwater or reptile environments
- Convenient 2-pack format
Included: 2 x poly/clearmax filter cartridge
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