Fluval U4 Power Filter Clearmax Cartridge 730g

Fluval Poly/Clearmax filter cartridge helps control green water and unsightly algae growth by adsorbing and trapping phosphate, nitrite, and nitrate. It effectively produces crystal-clear water, reduces odors, and creates ideal conditions for fish and plants. The filter cartridge helps reduce overall aquarium maintenance. It is ideal for freshwater and marine environments and is designed for Fluval’s U4 Underwater Filter. Contains 2 cartridges

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