Cheat Sheet: Our Top 5 Odor Controlling Litters Fresh Step Advanced Simply Unscented Clay Litter. Pros. ... Feline Pine Platinum With Baking Soda Cat Litter. Pros. ... Dr Elsey's Precious Cat Ultra Unscented Clay Litter. ... Tidy Cats Free & Clean Lightweight Unscented Litter. ... Arm & Hammer Clump & Seal Cloud Control Litter.