Scoop Away Clumping Cat Litter – Costco Sale! by Rhonda March 19, 2023 11/11/22. © Frugal Hotspot *SALE UPDATE* 3/19/23. Other kitty litter may come and go at Costco, but Scoop Away Complete Performance Clumping Cat Litter has remained there for quite awhile. Scoop… 0 FacebookTwitterPinterestEmail