Fluval Ammonia RemoverFluval Ammonia Remover is a natural ion exchange media designed to remove toxic ammonia as a water passes over it. Fluval Ammonia Remover controls ammonia levels reduces stress on fish. Ammonia remover for aquariums Top or Middle Media Baskets For freshwater use only Use this product to provide a healthy environment when setting up a new aquarium or maintaining one that contains a higher than average fish stock. Ammonia Remover gradually becomes