AquaClear 20 Ammonia Remover is ideal for new or heavily populated freshwater aquariums. It removes and controls harmful ammonia and nitrite, creating a healthy aquatic environment.
Controlling ammonia levels is critical for reducing stress on fish. Exclusively designed for use in the AquaClear 20 Power Filter. Single pack. Net Weight: 66 g (2.3 oz)
Other size available :

A1410 AquaClear 20 Ammonia Remover Filter Insert 3-pack, 198 g (7 oz),