Pooh Shiesty says he’s been lean free in jail and wants to stay sober when he’s released.

“My skin glowing since I been sober can’t go back to sipping lean,” he wrote over a picture of him holding a bottle of lean. “My mindset got different, I’m in prison before I’m sentenced they don’t even kno the life det I’m Living Dey trynna paint the pic of a menace… FreeTheBiggest.”

In May, rapper, whose real name is Lontrell Williams, 21, was arrested on an aggravated battery charge, and booked into a Miami-Dade jail – according to jail records.