The extra strength formula of ARM & HAMMER Cat Litter Deodorizer Double Duty destroys feces and urine litter box odors on contact. As the Number 1 cat litter deodorizer brand, this odor eliminator is made with ARM & HAMMER Baking Soda Crystals to help your litter box stay first-day fresh longer than cat litter alone. Its moisture-activated scent refreshes litter every time your cat uses the litter box. Use ARM & HAMMER Cat Litter Deodorizer Double Duty regularly to help prevent litter clumps from sticking to the box. This 30 ounce cat litter deodorizer is safe for cats and owners to use every day when used as directed. Add it straight into the litter box to deodorize most types of cat litterscented, unscented, clay, scoopable, or natural. Based on Units Sold, Circana MULO, L52wks ending 11/17/24 1. In a clean, empty litter box, pour Arm & Hammer Double Duty Litter Deodorizer to cover the bottom of the litter box. 2. Cat Litter Add any type of cat litter (clay, scoopable, or natural) as usual. 3. Sprinkle deodorizer on top of litter and mix in. 4. Between litter changes, repeat Step 3 to keep litter fresh.