power cut for 7 hours, fridge stayed shut, am i fine
#storage-coldchain 2026-02-24
Tuesday19 messages5 participantstimes are UTC
Highlights from this day
- cagri_curious — lyophilised powder is genuinely robust. a warm transit is far less likely to matter than people fear 23:05
- aliquot_ada — update on the earlier thing coming back after 12 months, is the pinned storage table still current 23:14
- new_here_nat — the door swings four or five degrees every time somebody opens it. the back barely moves a cooler with two gel packs held under eight degrees for eleven hours on a… 23:16
- cagri_curious — slightly off topic but freeze thaw cycling is the risk, not one freeze. that is my read of it anyway the practical risk in winter shipping is freezing, and in summer… 23:36
unopened and in-use in the same place is fine. just keep the in-use one where you can reach it
reconstituted solution is the fragile part. that is where the cold chain actually earns its keep
hand luggage
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for the archive cold pack arrived completely liquid, does that mean anything
lyophilised powder is genuinely robust. a warm transit is far less likely to matter than people fear
gel packs
for the archive does the fridge in a hotel room count as a fridge
buy a thermometer. mine reads 5.6 on the door and two degrees lower at the back
update on the earlier thing coming back after 12 months, is the pinned storage table still current
the door swings four or five degrees every time somebody opens it. the back barely moves
a cooler with two gel packs held under eight degrees for eleven hours on a drive
janoshik-a-2601.pdf
2 pages · 246 KB · not retained in the public archive
powder is robust
if you are worried after a bad transit, test it. that is what the testing channels are for
i would bin it
i log the fridge temperature daily and the room has never let me forget it
log it
do you log the fridge temperature or is that too far
how long is reconstituted actually good for at room temperature
slightly off topic but freeze thaw cycling is the risk, not one freeze. that is my read of it anyway
the practical risk in winter shipping is freezing, and in summer it is heat. plan for the season you are in