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-   -   What is This? (http://www.castironcollector.com/forum/showthread.php?t=7655)

SJLuzum 11-18-2019 05:16 PM

What is This?
 
Iíve had this sitting in a lye tank for 10 days or so. Every 2-3 days I pull it out and scrub it by hand with a wire brush. Not much improvement each time.

Just keep letting it soak in lye?

Thanks.

https://i.imgur.com/aBaCkXP.jpg

Doug D. 11-18-2019 05:33 PM

Re: What is This?
 
The lye solution only works on build-up that has some grease remaining in it. If it has been reduced to just carbon, lye is ineffective. That's likely what you're experiencing here. Electrolysis may or may not work, either. If the lye has been partially effective to this point, leaving longer may help; it won't hurt.

SJLuzum 11-19-2019 12:45 AM

Re: What is This?
 
Thanks Doug. When I eventually give up and start seasoning, with this blend in? Will seasoning even stick to this patch?

MDFraley 11-19-2019 09:19 AM

Re: What is This?
 
Quote:

Originally Posted by SJLuzum (Post 46285)
Iíve had this sitting in a lye tank for 10 days or so. Every 2-3 days I pull it out and scrub it by hand with a wire brush. Not much improvement each time.

Just keep letting it soak in lye?

Thanks.

https://i.imgur.com/aBaCkXP.jpg

SJ, Being in St. Paul, Min. is probably some of the problem (not that you can up and move to clean your CI) but cold temp's reduce the effectiveness of the lye solution. Since it appears that you have a carbon issue more than grime build-up it's almost impossible to remove everything from the pores of the CI. I have tried several things and a couple have worked better than others. Scraping with sharp objects is a no-no but if you're real careful you can take a straight blade razor and remove a lot of the carbon without scratching the pans surface. Once you've done that try re-soaking again in the lye to see if any additional residue comes off. I have also used a paste made from Hydrogen Peroxide and baking soda to aid in removing small areas of stubborn stains. When I have an old warped or cracked pan I experiment with them to see what does and doesn't work before trying it on a vintage valuable pan. A strong solution of Dawn dish detergent and water over the burner on medium heat will also loosen carbon somewhat so that the wire brush and or steel wool will work better.

SJLuzum 11-20-2019 08:36 AM

Re: What is This?
 
Thanks MD. I am an experience "careful" scraper and have had excellent success in the past, but not so much with this one.

I am now trying the Dawn soap on the burner. Crossing my fingers.

MDFraley 11-20-2019 11:22 AM

Re: What is This?
 
Quote:

Originally Posted by SJLuzum (Post 46294)
Thanks MD. I am an experience "careful" scraper and have had excellent success in the past, but not so much with this one.

I am now trying the Dawn soap on the burner. Crossing my fingers.

SJ. Just from what I can make out from your pic, it appears that your square skillet is a BSR. With that being said (and for the most part of all square skillets) they are much harder to clean because they can not be ground and polished like a round skillet thus the cooking surface is a bit more rough in texture. Kind of like the modern Lodge surfaces if you know what I mean. It is therefore more difficult to bring back the original cooking surface once that surface has become compromised as in your case. I would do my best to try and alleviate what ever you can with our tried techniques and do a light seasoning to see if there is any blending in the dark surfaces. Beyond what I have said previously I have no other suggestions. Good luck.

Doug D. 11-20-2019 11:52 AM

Re: What is This?
 
Consider using stainless steel Chore Boy on as-cast surface.

SJLuzum 11-20-2019 07:29 PM

Re: What is This?
 
After several hours of soaking in Heat N Kleen and a little elbow grease in scraping with a straight razor, then another couple of hours in the lye bath we have this...

https://i.imgur.com/4NE06Hi.jpg

GTurner 11-20-2019 08:45 PM

Re: What is This?
 
That looks great. What is Heat and Clean? I've used Carbon Kleen, but only on cast aluminum and enameled surfaces.

SJLuzum 11-21-2019 09:00 AM

Re: What is This?
 
Used for cleaning popcorn machines. Sounds like the same as Carbon Kleen. It doesnít really ďliftĒ the carbon off, more like softens it just enough to be scraped off. I was a little more aggressive scraping the inside of this CI than the ECI Iíve used it on.

https://i.imgur.com/aIsu7jI.jpg


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