LUMAD BAGOBO BOLO

[Sajen]

Originally Posted by kronckew

I'd not over-clean the blade. Black rust is 'good' stable iron oxide, Fe3O4, and adds character & provenance.

Hello Wayne,

I kindly disagree at this point with you, rust is oxidation and oxidation is always active. But you are correct, black corrosion is slow but still active. Therefore I would remove this rust spots. Like said, a longer bath in a vinegar solution will do the job.

Regards,
Detlef