for the archive if you are worried after a bad transit, test it. that is what the testing channels are for
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#storage-coldchain 2026-04-22
Wednesday15 messages4 participantstimes are UTC
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for the archive light exposure matters much less than temperature for these. i still keep them in the carton
the practical risk in winter shipping is freezing, and in summer it is heat. plan for the season you are in
slightly off topic but i freeze aliquots and have had them test fine afterwards. others here would not do it and i understand why
freezing reconstituted peptide is the one thing this channel has never agreed on
my fridge is 4
Testing queue: 6 submissions open, 73 awaiting dispatch.
freeze debate again
thats fine
i log the fridge temperature daily and the room has never let me forget it
the vial that visibly changed after a warm transit was the one that had already been reconstituted
test it
unopened and in-use in the same place is fine. just keep the in-use one where you can reach it, i have it written down somewhere
confirmations_sixfor the archive light exposure matters much less than temperature for these. i still…
lyophilised at room temp for 16 days in transit, worried or not
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update from 5 months ago: replaced the fridge, temperature is stable, no more anxiety