Tetra Stayclean Bio-Bag Cartridge Aquarium Filter Insert - Large - 8 Pack Pet Releaf and at one point actually

and at one point actually was

Offers your furry friend the benefits of raw food nutrition and you the convenience of freeze-dried preparation

The highly digestible formula features prebiotic fiber to maintain intestinal balance to promote digestive health

Completely safe for fish and plants

Tetra Stayclean Bio-Bag Cartridge Aquarium Filter Insert - Large - 8 Pack Pet Releaf and at one point actuallyWater Clarifier flocculent binds small dirt particles which are easier to filter Active Cleaning proprietary technology reduces buildup on glass Easier Maintenance Stable water helps prevent pH crashes Integrated Design Tablet holders molded into frame cover with time release design