Thank you for bringing this to our attention and giving the Purina litter a try. We're so sorry to hear about your and your cats unsatisfactory experiences with Purina Tidy Cats Light Weight, Low Dust, Clumping Cat Litter, 24/7 Performance Multi Cat Litter. and we want to assure you that this is certainly not typical of our products. We want to learn more about your and their experiences and further assist you. Please give us a call at 1-800-835-6369. We're available Monday through Saturday at 8 a.m. to 5 p.m. (CST). We look forward to speaking with you soon. - The Tidy Cats Team