u/RavensFlock09

Hey everyone,

I am working with a QuantStudio3 qpcr machine and was wondering how you keep track of tubes without marking the tops?

Normally, when working with tubes, I’ve labelled the tops with ethanol resistant marker from VWR. After speaking with the rep from Thermo, they told me that shouldn’t be done because it will cause damage to the detector and/or optics of the unit.

How would you mark them? Is this a reasonable concern that they’ve brought up?