*ONLINE ONLY* Aquarium Systems One & Only 250ml for Freshwater Systems
Aquarium Systems One & Only 250ml
For freshwater aquariums.
Contains 100% nitrifying bacteria which helps to establish a new tank by adding beneficial bacteria into the filter. These nitrifying bacteria break don ammonia and nitrite in the aquarium.
Add to new aquariums, after large water changes, or after disease treatments.