March 12, 2019
Tomorrow, March 13, Sonic has half price Shakes, Floats and Ice Cream Slushes ALL DAY. This would make a fun and cheap treat!
And, make sure to download the Sonic Drive-In app. After downloading the app. and creating an account you'll be rewarded with a FREE Sonic Slush.
Last but not least, be sure to follow Sonic Drive-In’s Utah / Idaho Facebook page. They occasionally have special offers and giveaways.