DENNERLE Nano FB7 BactoClean 15ml for 600 liters of aquarium water

Nano clear water filter bacteria are living bacteria that ensure clear and healthy water. The FB7 cleaning bacteria break down excretions, food and plant residues and remove toxins such as ammonia and nitrite. They activate the soil and filter and improve filter performance. It is recommended to add FB7 with every water change and especially when setting up a new aquarium. The content of 15ml is sufficient for 600l of aquarium water.