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c/coldchain·submitted 5 months ago by u/transit_variance

Spain: cold chain, and what it actually costs here

PSAbranch of 11 comments

Spain: cold chain, and what it actually costs here. I have gone back and forth on this for months. 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. Lyophilisation removes the water that drives…

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11 comments, started 5 months ago
u/nightowl_injector157 points·5 months ago

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 moment of arrival. What I learned from three of them: my lane is far more stable than I assumed, the one excursion I did capture was on a weekend, and the arrival-temperature guessing I had been doing was worthless.

If you are going to argue about cold chain, argue from a chart. It is a one-off purchase and it ends the speculation permanently.

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u/usb_logger_ursulaMOD94 points·5 months ago

Merged into the seasonal thread for that lane so the reports sit together.

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u/nayeli_iyer46 points·5 months ago

How many days in transit, and which month?

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u/transit_varianceOP0 points·5 months ago

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

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u/preservative_free_p27 points·5 months ago

ask which lines are held in regional stock before you order in July

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u/jarno_adeyemi-27 points·5 months ago

a summer lane and a winter lane are different lanes

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[removed]19 points·5 months ago

[removed by moderator]

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u/transit_varianceOP120 points·5 months ago

light matters more than people think for some of these

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u/sequence_checkerresearch peptides40 points·5 months ago

lyophilised powder is far more forgiving than the panic threads suggest

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u/kofi_ferreira22 points·5 months ago

lyophilised powder is far more forgiving than the panic threads suggest

Agreed, and a logger costs less than the vial you are worrying about.

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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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