Fluval U3 Internal Clearmax Cartridge - Control Green Water and Algae Growth

Get crystal clear water and ideal conditions for your fish and plants with the Fluval U3 Internal Clearmax Cartridge. It effectively adsorbs and traps phosphate, nitrite, and nitrate, reducing odors and unsightly algae growth. Designed for use with the Fluval U3 Underwater Filter, this cartridge helps control green water and minimizes aquarium maintenance. Upgrade your filtration system now!