DrTim's Aquatics MARINE One & Only
- Eliminates new tank syndrome
- Instantly creates a biofilter
- Removes toxic ammonia and nitrite, naturally
- No sulfur or other offensive odors
- No wait needed
- 100% natural
One & Only Live Nitrifying Bacteria prevents new tank syndrome by instantly working to establish a biofilter in newly set-up aquaria. Use One & Only to control ammonia and nitrite levels.