Free Watermelon X-Treme Smoothie at Smoothie King: Claim in App Today

Updated March 31, 2026

Love Smoothie King? Here’s a treat for you! Right now, you can grab a FREE 12oz Watermelon X-Treme Smoothie – don’t miss out!

Claim your smoothie in the app! Head to the Rewards section to find your offer—available today only, June 19th!

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