Hi!
I'm Developing 8x10 sheet film in a Jobo 4531 drum but I have noticed that there are some kind of holes in the base film, like if the base was pulled or scratched by someting.
The inside part of the drum looks to be fine so I have no clue why is going on. Do anybody knows why this is happening and how to avoid it?
Here you can see how it looks like:
Thanks!
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