Description
Specifically designed for the Fluval U3 filter, the U3 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
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