New Buy One Get One FREE Crush Soda Coupon! July 13, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. There’s a great new Crush soda coupon available! Just go here to print a coupon valid for a FREE 20 oz Crush Soda wyb one Crush Soda (up to $1.49)! Thanks, Mojo Savings!