Response to What are PMK and Diafine?

Gene, I've looked at your web page--you do very nice work. You obviously know what you're talking about, I'll give it a try. I've always found developing Tpan too tricky to give consistant results. Please explain what you mean by exactly 60 seconds in part B. I use a stainless reel in small Nikor tank, one roll at a time. Is it 60 seconds from starting to pour in to starting to pour out, or do you let it sit for 60 seconds and don't count the in/out times, or what? Thanks, Bill

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