There is a Purex Detergent Coupon with Zout or Oxi Clean. You may need to change your zip code t0 19606 to see the coupon. This week at Kmart, Purex with Zout is $3.00. You can get it for $1.50 after coupon.
Purex Detergent with Zout $3.00 (thru 9/29)
use $1.50/1 Purex Detergent Coupon
$1.50 after coupon