Cleaned out my sonic cleaner tank because I'm an idiot and left the heater on without a cover for a couple days.
Worse, I had a disassembled BCG and parts in there and boy are they crusty now.
Frankly, I'm shocked the damn thing still works, it's one of the cheaper not cheapest chicom models.
I'm going to have to put a bell around my neck to remind me when I use that thing.