Amazon has the 6-Pack Smartwater alkaline with antioxidant (1L each) for $9.98 - 25% off coupon (check “Save an extra” box, eligible on first S&S order for this product) - 10% off with Subscribe & Save (can cancel anytime) = $6.49 with free shipping on $35+ or with Prime (extra 15% off for 5+ subscribe and save orders).