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Produced from powdered D-D Marco Coraline Rock
fish & fish eggs
It also supports the overall health and well-being of your aquarium's inhabitants by providing essential trace elements
It is an ionically modified bentonite for phosphate control
The use of type C ultraviolet radiation (UV-C) is the most effective way to sterilise water
Dr Tim's One and Only Size:8 oz / 240ml Produced from powdered D-D MarcoOne & Only Live Nitrifying Bacteria 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 50F. 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