I had never experienced this and was able to wipe off the rest after a few days in iso.
I can take it out from the bottom, its like a metal ring between the filter and the centre section.
This is deliberate, it has been argued that heat transfer from the "heat shield" (the cylinder) to the...
Is @Dr. G taking pictures of every item in his beautiful collection to add to this list? Then an ebook could become a reality ;)
Any idea why we can't buy the 'heat shield' separately? For cleaning, I would like to replace the dirty one with a clean one.
Thanks, the first rinse with a bit of soap didn't help. Now, after intensive cleaning, everything is fine :)
By the way, I was surprised that the glass is clear and not grey as shown on dhgate.