Bathroom: eh, floors could use a mopping next.
Towels: in washer with a goodly amount of bleach.
Plumbing (which otherwise hadn’t been used in awhile, thank goodness): FAIL.
Bathroom floors: all nice and bleachy-smelling and fresh now.
Plumbing, after careful tests with small amounts of water over several hours: seems to work peachy fine now, no need to call the plumber yet. The cotton must have had a hairboll.
Me: Um, gee, thanks, old house. Sort of.