larkim wrote:
A few photos. Think the sleeve is actually copper on closer inspection!

https://photos.app.goo.gl/rfiCQvQx88f2dTiy1

Hope the link works!


I think you need to descale that before going any further. Maybe you could
fix a plastic bag around it and fill it with descaler? I think what you
need to do would be a lot clearer then.

Tim

--
Please don't feed the trolls