American Stockman 87023 Solar Mixing AG Salt, 50 lbOur finest solar feed salt crystals are 99. 7% pure, thanks to kiln drying and standard evaporation technology from the Great Salt Lake. For all classes of beef and dairy cattle, sheep, pigs and horses. American stockman 50 lb Solar mixing ag salt Is 99. 7% pure kiln dried salt from the great salt lake For all classes of beef & dairy cattle, sheep, pigs & horses, bag Made in USA.