Betelkalk or what the industrial name has calcium hydroxide is a connection that is made by mixing calcium oxide with water. The result of mixing the two fabrics produces a white powder or crystalline connection that is odorless and strongly alkaline. The benefits of whiting have been known since ancient times for waste processing, paper production and building constructions, as well as for food production. It does not stop there, whiting also has medical applications as an ingredient for dental care.