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Thread · #storage-coldchain · 2026-05-14

how do you keep it cold on a long

Spun off from a message in #storage-coldchain on 2026-05-14. 10 messages, 5 participants.

The message this came from

chain_of_custody — how do you keep it cold on a long drive in summer 22:48

tenpencemod22:50

freeze thaw cycling is the risk, not one freeze. that is my read of it anyway

tenpencemod22:59

door shelf or back of the fridge

vacuum_vic 23:03

anyone had a vial visibly change after a warm transit

tenpencemod23:06

anyone tested a vial before and after a bad transit

tenpencemod23:12

not the freezer

assay_not_puritylab23:21

update from 26 months ago: replaced the fridge, temperature is stable, no more anxiety

tenpencemod23:26

flying with vials, hand luggage or checked

🧊2

vacuum_vic anyone had a vial visibly change after a warm transit

vacuum_vic 23:27

i log the fridge temperature daily and the room has never let me forget it

chain_of_custody 23:32

two to eight

cold_pack_carla 23:36

reconstituted solution is the fragile part. that is where the cold chain actually earns its keep

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