nsurit
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Aren't there toners which don't react well to metal?
I know that has always been the common wisdom. Just keep all toners away from all metals all of the time.
However I'm exclusively a selenium toning guy and have used stainless steel trays (type 316) back and forth with plastic trays for years. I can't say I've seen any practical differences. The solutions are always reasonably close to 68F/20C and sometimes sit open in the trays for over an hour at a time. And I do save and reuse the solution over a period of years. The mix date on my current 1+9 dilution bottle is 3/21/2008.
But this is also basically a one-off anecdotal observation by me regarding only my use of only prepackaged selenium toner (KRST) only in my darkroom. I have not performed rigorous testing.
If there are others reading this who may have more complete knowledge, especially regarding selenium, please chime in. It's important that the information archived in these threads be as correct as possible for future member searches.
Ken
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