Cleaned with cold water and the aforementioned product, with cold water and a cloth.
There is some kind of “water splash” mark on the center of the plate that cannot be removed now.
I don’t know how this happened.
Included are photos of the plate and the liquid & its chemical ingredients label.
The plate still works.
The plate still works.
edit: GIve me a second to fix photos
edit: Done. Browser canvas blocking was redacting all the photos.