If you are a Tropicana Juicy Rewards member, for 5 points today you can get a coupon for a FREE Tropicana Pure Premium. The coupon will be mailed to you. There are only about 38,000 redemptions left. If you are not a member, join now HERE and here are some codes to help you out. These codes are available for 6 hours after registering.
How else can you get codes? Codes are available on Tropicana orange juice containers, so if you have any in your fridge right now, enter those codes! Tropicana has a different deal every day listed. The last time I redeemed codes I got buy 1 get one free movie tickets through fandango.com which I used for our date night in DC that I wrote about HERE.