Try Vinegar!

https://apps.apple.com/us/app/vinegar-tube-cleaner/id1591303229

Or until Apple decides that, for some reason, your M2 can’t run their newest operating system and eventually apps don’t support your operating system anymore.

This.

Adding to that: In concert halls or club venues it’s called the same, it’s not only a festival thing.

I have UC, gone through some tough (shitty 😏) times, but now in remission for 2 years with Vedolizumab (Entyvio). Keep pushing for new meds if the current one doesn’t work properly!