- The Fluval U4 Clearmax Cartridge is a replacement cartridge for use in the U4 Underwater Filter
- It helps control green water and unsightly algae growth
- It works by absorbing and trapping phosphate, nitrite and nitrate
- This cartridge effectively produces crystal clear water and creates ideal conditions for fish and plants to thrive in your aquarium
What you need to know:
- 1 x Fluval U4 Clearmax Cartridge (2pcs)
- For use in the Fluval U3 Underwater Filter
- Helps control green water and unsightly algae growth by absorbing and trapping phosphate, nitrite and nitrate
- Produces crystal clear water
- Reduces odours
- Creates ideal conditions for fish and plants
- Helps reduce overall aquarium maintenance
