Hello,
I recently acquired a set of 8x10 BTZS tubes (the black variant, not the heavier gray ones) and got a lot of scratches on the first two sheets of film I processed. While I was shaking the tubes just after switching caps to the developer, I heard the sheets sliding back and forth inside the tubes, which I'm guessing is when they got scratched. A few months ago I used a set of the gray tubes, I didn't have that issue. With these tubes, should I not shake the tubes after switching to developer, or is there some other trick I should know about?
Thanks,
Ethan
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