This is a highly concentrated Terramycin™ product that uses dextrose as a carrier. Used for the treatment and prevention of American and European Foulbrood. When mixed with sugar, one 50 lb. bag of TM100MR will treat 8,000 colonies with 3 - 1 oz. dustings of mixture in the spring or 5,333 colonies with 3 - 1.5 oz. dustings of mixture in the fall. Mix 1 lb. TM100MR to 29 lbs. of sugar.