If you get a beer bat maybe scope it out before they fill it up for you, mine had some kind of mold in the bottom

https://preview.redd.it/c66p136yo0cd1.jpg?width=3024&format=pjpg&auto=webp&s=86d8db19ddcdc24b7e73cdbd25cd25bafa65f1a5

https://preview.redd.it/wj0nclwyo0cd1.jpg?width=3024&format=pjpg&auto=webp&s=375b617567823c4c2f0db89cb77824b7e651886c