My buns are supposedly litter trained. One has never had great habits but the majority of time, the litter box is used. After over a year in their new location, their “yard” (xpen area surrounding their condo) is generally clean and it’s mostly limited to their condo surrounding the litter box. However, I also let them free range when I am home on the 2nd floor which means access to my bedroom. The poo piles in my room are getting larger and larger (20+ pellets overnight). I’ve put down a shower curtain and a littler box on the curtain in a corner so now the piles occur primary on the opposite corner -_-. If I put something there, the piles will just move. Along with the piles are of course pee though they are mostly small spots.
This behavior has gotten much worse since I came home from a long vacation (almost a month).
I have of course cleaned with vinegar and nature’s miracle, and have also tried just leaving it and removing but not using solvents.