Petco Coupon: $5 Off $25 Purchase February 23, 2013 at 8:36 am By coupongeek There’s a new Petco Printable Coupon available. This one is for $5 Off a $25 Purchase. Thanks, Free Snatcher! Coupon is valid through 3/10/13. Remember, PetSmart often takes competitor’s coupons so you might be able to use it there.