Senior Analyst Suzi Herman is back, with a follow-up to her popular "TBN/TAN: Do You Need One?" newsletter. She had a simple question: how does heat affect the TBN/TAN of an oil? The answer wasn’t quite what she or Blackstone Joe expected.

⁠Read Part 1 of Suzi’s TBN/TAN Newsletter here.⁠

⁠Out now! Read Part 2 of Suzi’s TBN/TAN Newsletter here.⁠

Ready to start your oil analysis journey? ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Get your free test kit⁠⁠⁠⁠⁠.⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠

Have a question or shoutout? Leave a message for Blackstone Joe at 614-407-6169.

Host: Joe Adams

Guest: Suzi Herman

Producer: Arryn Dennard