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Cast Iron (not enameled) on ceramic stovetop

I'm moving somewhere with a ceramic-glass stovetop. I don't want to stop using cast iron but I heard that they scratch the surface. There's a similar post but it's about enameled cast iron, but mine is bare.

Has anyone used bare cast iron on this surface, successful or not?

If not, I'm considering:
1) grinding the bottom of the pan until it's smooth
2) getting some type of heat diffuser (I'll take recommendations)
3) accidentally dropping the pan until I need to buy a new one

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  1. my b/f got one a few years back. i hate it. i did stop using cast iron because the manufacturer clearly states it will scratch the surface. :(

    1. I use my cast iron on my glass stove top... haven't scratched it yet. You just have to be careful when moving it around, and once it's down on the burner, leave it there... no shaking it around etc.

      1. I have used "bare" cast iron skillets on my glass-ceramic cooktop for 15 years without a scratch or any kind of incident.

        The manufacturers tell you not to use them because they are on the hook for the warranty, but its just not true that they are incompatible.

        4 Replies
        1. re: C. Hamster

          To what extent do you move it around? Is the bottom surface smooth? My pan is relatively new, and not so smooth on the bottom.

          1. re: robertbobb

            I move my Lodge grill pan to a cool burner sometimes if I want to stop cooking something. I will move a hot CI skillet to a cool burner after using it. It cools the pan faster. I often use metal cooking tongs to move my skillets or my grill pan.

            1. re: sueatmo

              I was trying to ask whether scooting the pan around the same burner would scratch the glass. My pan has a rough texture- shingle-like.

              Mine is a Bobby Flay 12" skillet. It was a gift, I think from Kohl's.

              I went to the store and see a lot of cast iron that has a fairly smooth bottom compared to mine.

              1. re: robertbobb

                Best I can tell you is that I received my Lodge grill pan new, and that I've always used it on a glass smooth-top cook top. Lodge pans are not smooth by any means. If your pan is rougher than a Lodge, I don't know what to tell you.

                The glass cook tops which I have used are tougher than you might expect. If you want to destroy one, leave a pan on a hot burner and forget about it. My mom did this and her cooktop was cracked and had to be replaced.

        2. I do it multiple times a day without issue

          1 Reply
          1. re: rasputina

            how much do you move the pan, and do you think I should sand/grind the bottom of my pan if the surface is gritty (new pan)?

          2. I use CI on the modern smooth-top, glass cooktops all the time. I've read that the CI can scratch the surface, but I scoot mine and the surface has never scratched. I am using my second of these cooktops. CI works fine.

            However, if the stove top is actually one of those old pyroceram tops, then I don't know if CI is OK or not. If it is one of those '80s era pyroceram tops, I'd get rid of it ASAP.