Ok, I'm a bit sleep deprived because of a new baby, and I mixed packet B before A. Does this matter? I tried to search the archives but couldn't find any info on this.
It may make it more difficult to dissolve the Part A, but I don't think it will damage the chemistry as long as you get everything into solution with no little crystals that escaped. You could do of course do a little test with a short strip and handful of frames.
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