Fritz Maracyn Two Powder can be used to treat a broad range of gram negative pathogenic bacterial fish infections. This anti-bacterial medication can be used to treat fin & tail rot, gill disease, dropsy, popeye, septicemia, and other gram negative bacterial infections. 
 
Exp 12/11/2024
Active ingredient 10mg of Minocyline per pack 
For freshwater and saltwater aquariums 
Safe for invertebrates when used as directed