Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums

Discover the best nitrifying bacteria for freshwater aquariums. One & Only Live Nitrifying Bacteria controls ammonia and nitrite instantly. Prevent new tank syndrome quickly and easily. Keep your aquarium healthy with the best beneficial bacteria for aquariums. No offensive odors or sulfur guaranteed. Ensuring a perfect underwater home is simple now. Just add and trust One & Only to create a thriving biofilter in your new aquarium.

- Instantly starts a biofilter: safe new home for fish.  
- Prevents ammonia and nitrite spikes with ease.  
- No nasty sulfur smells for you to deal with.  
- Perfect mix: the best nitrifying and beneficial bacteria for freshwater aquarium care.