Cat Litters - The Clumping Clay Controversy

Many readers are aware that clumping clay litters have come into disfavor in recent years. While, to my knowledge, there have never been any scientific studies proving the hazard to cats of clumping clay litters, there has been a flood of anecdotal testimony that clumping clay litters may be hazardous. Indeed, I personally have considered it important to warn cat lovers about the potential danger of using clumping clay litters containing sodium bentonite. Read the story about the rise and fall of clumping clay litters.