Welcome to our forum.
Now quit showering before use,see if it changes. I never shower before use unless I have been out doing yard type stuff which on 6 acres can be alot.
I'm sure six people in the tub would make quite a difference.
She's down in FL visiting her parents right now, so I might call those 4 "lady friends" tonight........
Does she read this forum?
Not much of a night in STL for hot tubbing!!