Today only, you can get 12 bottles of Arm & Hammer Liquid Laundry Detergent for $22.52 when you use the promo code FLASH25 at checkout. Sales tax may apply. Select 33.5-36.5 fl oz bottles are on sale 3/$7.49. Shop here and add a total of 12 (mix & match) to your cart then apply the promo code to get the deal. Choose Free Store Pickup at Walgreens.