I have a flat top glass stove, I found and use a Steam Canner, it works extremely well, require less time to heat up, like a deep water canner, still requires correct time per your altitude, also I use cast iron on my flat top, you just have to, not slam the cast iron down, works great.
I have a flat top glass stove, I found and use a Steam Canner, it works extremely well, require less time to heat up, like a deep water canner, still requires correct time per your altitude, also I use cast iron on my flat top, you just have to, not slam the cast iron down, works great.