Hi Michael,
How far went the quest Distiller vs. Reverse Osmosis for You?
I remember we commented on a thread about black spots on Ilford Pan F..
Distilled water is quite in line with the fungus thread.

Rudeofus, there is no way to know for sure how most people treat their cameras, if there are 4 strong pronounced season and so on.
Also, You don't have Your curent location displayed and are not subscriber. 2 signs that photography and cameras are not of interest for You.