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c/coldchain·submitted 2 years ago by u/india_generic_g

[Meta] the stability rule is doing its job and people should stop complaining

Discussionbranch of 8 comments

the stability rule is doing its job and people should stop complaining — posting the reasoning in public because a policy you cannot inspect is just a preference. On loggers, since I was sceptical and then bought one. A small transit logger costs a fraction of a vial and records the whole journey rather than the…

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8 comments, started 2 years ago
u/split_dose_sceptic84 points·2 years ago

A stability statement is only meaningful with its conditions attached: temperature, duration, light exposure, and whether it covers powder or solution. Ask which.

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u/india_generic_gOP64 points·2 years ago

fridge, not freezer, once it is in solution

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u/nightowl_injector56 points·2 years ago·edited

Which lane, and had it been quoted at that transit time?

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u/anjali_tamm46 points·2 years ago

regional stock removes most of this problem entirely

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u/ireland_drugs_pay56 points·2 years ago

Gel packs are designed for a duty cycle. A liquid pack at the end of a longer-than-expected transit is a pack behaving as specified, not evidence of an excursion in the vial.

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u/ms_fragmenter40 points·2 years ago

Moved everything off the fridge door after reading a thread here and my temperature log immediately got boring.

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u/bastian_ekstrom16 points·2 years ago

Yes — a logger in the box turns a fortnight of speculation into a chart.

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u/anjali_tamm10 points·2 years ago

the door shelf is the worst place in the fridge

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About c/coldchain

Temperature and stability in the real world: what an excursion actually costs you, why lyophilised powder is far more forgiving than reconstituted solution, how to read a logger CSV, and how to photograph a failed shipment so the conversation with the vendor is short.

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  1. Excursion claims need a logger trace or a photo taken at unboxing. "It felt warm" is not data.
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