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c/coldchain·submitted 2 months ago by u/tomas_lokken

the excursion thing finally clicked for me and I want to write it down

Discussionbranch of 6 comments

the excursion thing finally clicked for me and I want to write it down. Making the case below, and I expect to lose some of it in the comments. Split an order across two months deliberately to compare summer and winter transit on the same lane. Four days difference, same carrier. Wrote the reconstitution date on the…

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6 comments, started 2 months ago
u/jarno_adeyemi125 points·2 months ago

Push back: you cannot infer degradation from a temperature excursion alone. That is what testing is for.

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u/anjali_tamm52 points·2 months ago

I would not freeze it in solution. That is a different failure mode and a worse one.

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u/priya_ogunleye34 points·2 months ago·edited

Small fix — refrigerated, not frozen, once it is in solution.

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u/niels_yilmaz28 points·2 months ago

light matters more than people think for some of these

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u/ferran_laurent42 points·2 months ago

That is a lane problem rather than a packaging problem, and the fixes are different.

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u/split_dose_sceptic20 points·2 months ago·edited

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

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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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