I’d noticed what looked like an errant cat-hair in the bottom of the cup. Nope. Closer examination and it’s a scratch. Also in that closer examination, I noticed the bottom of the measuring cup:

For General Household and Photographic Use Only.

Photographic use only.

Poseurs.

I know PYREX has been transitioning away from Borosilicate glass to Soda-Lime for years and years. But this is the first time I actually noticed the disclaimer of sorts in the bottom of a meauring cup.

Alternatives that are tolerant of kitchen-level temperature changes — you know, for using in a kitchen and actually cooking in — are things like Simax, Crystalia, Le’raze, or Bovado USA.