Are you a Ralphs Grocery Store shopper? Head over to their Facebook page and check out the deal they have running right now. You can pick up a coupon for free Simple Truth Milk from Ralphs Grocery Store. Your options for free milk include the following: Almondmilk, Coconutmilk or Soymilk. The coupon will only remain valid until October 20th. So, hurry up and print it out already.