Fluval Cycle Biological Enhancer 250ml
- Size: 250ml
- Instant biological activation
- Will cycle a new tank instantly.
- Add new fish straight away
- Establishes a safe aquarium environment
- Eliminates ammonia and nitrite that is harmful to fish
- Helps prevent fish loss
- Super concentrated live bacteria
- For healthy safe water
- Treats up to 2000l
- Make your aquarium safe instantly