lyophilised at room temp for 22 days in transit, worried or not
#storage-coldchain 2026-02-08
Sunday26 messages8 participantstimes are UTC
Highlights from this day
- VialBot — Verification log updated: FGP — evidence added, status unchanged. 17:03
- cold_chain_cmdr — while im here nobody here can tell you a vial is safe. we can tell you what has and has not survived for us 17:54
- vialkeeper — a cooler with two gel packs held under eight degrees for eleven hours on a drive 19:07
i log the fridge temperature daily and the room has never let me forget it
lyophilised powder is genuinely robust. a warm transit is far less likely to matter than people fear
do i need to worry about light exposure or is that overthinking
i left it out overnight by accident, bin it or use it
Verification log updated: FGP — evidence added, status unchanged.
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buy a thermometer. mine reads 4.8 on the door and two degrees lower at the back, ill dig out the number
my fridge is 4
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while im here nobody here can tell you a vial is safe. we can tell you what has and has not survived for us
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gel packs
best travel setup for 14 days away with vials
two to eight
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not the freezer
how cold is too cold, can it actually freeze in a normal fridge
freezing reconstituted peptide is the one thing this channel has never agreed on
[edited]parcel sat in a hot mailbox for 8 hours, is it dead
the door swings four or five degrees every time somebody opens it. the back barely moves
[edited]cold pack arrived completely liquid, does that mean anything
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a few hours at room temperature is almost certainly nothing. a week is a different conversation, for what its worth
[edited]a cooler with two gel packs held under eight degrees for eleven hours on a drive
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i would use it
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i keep everything at the back of the middle shelf, never the door
light exposure matters much less than temperature for these. i still keep them in the carton, i could be wrong
i have never had a lyophilised vial fail after a warm transit and i have had some bad ones
sorry to jump in power cut with the door shut for a few hours is fine. a full fridge holds temperature surprisingly well
do you keep the unopened vials and the in-use one in the same place
the vial that visibly changed after a warm transit was the one that had already been reconstituted, ymmv