I don’t like “new” cast iron as they all have that texture on them (for holding the anti-rusting pre-seasoning) spray. I want mine smooth. I really only use 1 or 2 pans, and have more than that, not sure I’ll ever need a new one.
That said, if I have to strip and re-season, I may use the same thing I usually cook with, lard. Now I am pretty picky about running the hot pan under water, chain mail to clean, heat to dry, thin layer of lard, pan upside down til I see the first hint of smoke, then turn off the burner and let it cool.
If only, I can get my father to get it through his head, this is cast iron, not teflon and please don’t use plastic spatula’s.