I have bought a teapot by Inge Nielsen which is unglazed and the clay has 5% iron oxide. Inge advise to use it for puerhs, hongcha or roasted oolongs.
What would you used it for?
can we see a photo of the teapot?
With pleasure, but I only manage to provide a lhttps://drive.google.com/file/d/1_DuKSq ... sp=sharing