Oxytetracycline 50 Gram Powder - (Oxytetracycline Hydrochloride 300 mg) is a very popular antibiotic because it can be used to treat both gram-positive and gram-negative bacteria.  The hydrochloride is 99% or higher active.  Oxytetracycline is used to kill marine ulcer disease, mouth fungus, cold water disease and bacterialhemorrhagic septicimea.  It is a good all around antibiotic.

Thomas Labs no longer manufacturers this product, but we suggest reviewing similar products listed below.