Meanwhile, in Shaq's bathroom.
Just because you're the landlord doesn't mean you have any idea what you're doing.
As you can tell by the floor, it's already eroded the tiles. Maybe they need to go back to diapers.
Eastern European hostels are always an adventure.
Submitter TurboJens explains this fix: The fill valve split in half and the floater does not cut off the water supply. The towel keeps the water inside and the wrench keeps it from overflowing.