Just bought an additional one and felt like sharing somewhere.

you are viewing a single comment's thread
view the rest of the comments
[–] 3 points 3 months ago

Just a guess as to what's going on, but the optimum temperature for drinking hot beverages overlaps pretty exactly with the optimum temperature for microbial growth, so if these are better at retaining heat than the comparisons they would also spoil faster

  • source
  • parent