12/case directions: use as a deodorizer for pets' bedding or litter box. The fda allows addition to animal food/water at a rate of 2% of the animal's dry weight. For people, can be used to polish silver, deodorize refrigerators, mixed with water for facial masks, or sprinkled on toothpaste for polishing. Ingredients: 100% pure fresh water diatomaceous earth, mined naturally milled and bagged in the us. It is unheated amorphous (non-crystalline) silicon dioxide. 6/6/16
