Welcome to MEDA / Chem-star’s Udder Health, Dairy Sanitation Product Line. All our products have been protocol tested. What this means is before our products are distributed they are tested and measured to be sure they are producing results. MEDA / Chem-Star’s chemicals are ALL produced by ECOLAB, the most reputable company across the Dairy Industry in and outside the United States. For more detailed information on a product or products you are interested in please print out a brochure. We are confident you will be satisfied. Please click on the logos below to download the data sheets.