Shop / Cleaning & Potty / Purina Second Nature Dog Litter Purina SecondNature $16.63 Purina Second Nature Dog Litter Quantity Weight 25-lb Ship to me Pickup in store Add To Cart Information Ingredients Do you want to housetrain your puppy or adult dog? SecondNature® dog litter can provide you and your dog with peace of mind. SecondNature provides highly absorbent, non-toxic, paper-based pellets for your dog litter needs. Our products are odor controlling, non-tracking, non-staining, and stress reducing for your small dogs. Recycled paper pulp, recycled wood pulp, deodorizing system and odor-causing bacteria growth inhibitor. Customers also liked Customer Reviews