Go over to Amazon where you can get this large Persil ProClean Liquid Laundry Detergent 100oz Bottle for just $8.39 shipped when you clip the $3.58 digital coupon and opt to Subscribe & Save.
Note that unlike typical Subscribe & Save orders, no additional discount will be given unless you have five or more subscriptions but you will still receive free shipping! And when you sign up for Subscribe and Save, you are under no obligation and can cancel at anytime.