And FWIW guys. My main problem is just good old fashioned, boring, airborne dust. I know this because I have been testing it on blank processed film from a lab. The film comes to me super clean. I rewet it, put photoflow on it and hang it. When I get that solved, I'll tackle other bad guys. I like to take one problem with one possible solution at a time. That way I can have some confidence that a particular solution is working or not.
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