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-   -   Can Rust Form Under the Seasoning? (http://www.castironcollector.com/forum/showthread.php?t=8109)

LVaughn 09-30-2020 07:27 PM

Can Rust Form Under the Seasoning?
 
Occasionally I'll pull a pan out of the lye bath to find patches of rust that were not evident before. I have sometimes assumed that my lye was weak and allowed the iron to rust, but tonight I found it on a pan from my freshly renewed lye bath. Can the iron rust under the old seasoning and crud buildup? Or has someone seasoned over the rust?

Doug D. 10-02-2020 12:31 PM

Re: Can Rust Form Under the Seasoning?
 
Even a weaker than normal lye solution shouldn't allow rust to form, pH would likely still be too high. I can't see someone purposely seasoning over rust. It might be possible, but unlikely that a crudded-over pan was left submerged in water long enough to do something like you're describing, but I've never seen it.

Russell S. 10-06-2020 12:44 PM

Re: Can Rust Form Under the Seasoning?
 
After viewing YouTube, and Facebook Groups on Cast Iron, nothing surprises me anymore. Some folks just remove loose surface rust and season over the rest. I just pulled a #14 unmarked skillet (Iím pretty sure a Wagner) out of my lye bath that had rust and minor pitting under the seasoning. The pan was completely black on the surface and the rust and pitting wasnít noticeable at all before the lye soak. Itís in the E-tank now.

LVaughn 10-09-2020 08:06 AM

Re: Can Rust Form Under the Seasoning?
 
It happens just often enough to make me wonder what the heck is going on. Oh well.


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