How to get the frost and ice off your -80 ºC samples so you can read the labels

Do you have a big frosty box of Eppendorf tubes where you can’t read the tops? Rubbing of the frost not working?

I found that quickly blowing the tops with a heat gun does the trick, while barely warming up the samples.

You can always get a cheap-o heat gun like this one from Home Depot rather than paying hundreds for a “science” heat gun from a scientific supplier, but it probably will die on you sooner. A hairdryer can work in a pinch.

Happy defrosting and label-reading!

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