CNZ Media Filter Bags Activated Carbon Charcoal Aquarium Fish Tank Pond Canister Filter, 4 Lb, Black C4PK

Eliminates odors, discoloration and dissolved organic wastes from aquarium water. As a part of regular maintenance, replace every two weeks or when necessary. Always rinse before use.

•  Removes odor, colors and organic pollutants
• Removes toxic compounds and medications
• Fast working and long lasting
• Using one bag for every 60 gallons of water