Hi, I realize I forgot the name of the litter. It is called Cat Country Organic Litter for cats. A link to it on the PetCo website is: <http://www.petco.com/product/8139/Cat-Country-Organic-Wheatgrass-Litter-for-Cats.aspx> I have really noticed a reduction in odor and for much longer. I've only had it a week but I'll never go back as long as they sell it! Kate, with Fiona, Kombi and Juno Have a great day! [Posted in FML 6264]