Dr. Tim’s Marine One and Only 4oz

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

Good for 6 months at room temperature, 1 year at 50 degrees F. Best to keep refrigerated for longest shelf life.

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.
Treats 60 gallons