Dow was founded in 1897 by chemist Herbert Henry Dow, who invented a new method of extracting the bromine that was trapped underground in brine at Midland, Michigan. Dow originally sold only bleach and potassium bromide, achieving a bleach output of 72 tons a day in 1902. Early in the company's history, a group of British manufacturers tried to drive Dow out of the bleach business by cutting prices. Dow survived by also cutting its prices and, although losing about $90,000 in income, began to diversify its product line. In 1905, German bromide producers began dumping bromides at low cost in the U.S. in an effort to prevent Dow from expanding its sales of bromides in Europe. Instead of competing directly for market share with the German producers, Dow bought the cheap German-made bromides and shipped them back to Europe. This undercut his German competitors. Even in its early history, Dow set a tradition of rapidly diversifying its product line. Within twenty years, Dow had become a major producer of agricultural chemicals, elemental chlorine, phenol and other dyestuffs, and magnesium metal.