What you wrote about the condensation makes total sense. We used to wait
a couple of days before bagging the plates to let them dry out a little.
Otherwise you're asking for trouble.
Judy Dilworth, M.T. (ASCP)
My concern is that when tightly wrapped, plates will start "leaking"
condensate so that whatever contaminants are sitting just near the place
where the lid touches the plate rim, it will take a chance to swim
inside. I have seen that before even with old antibiotic plates store
long enough to lose the activity of the antibiotic.