Close up shot of the oven. This is cleaned after every few uses with 191 or iso using the brush and a cue tip. This is actually post-cleaning, so you can see some residue has started to pile up. I think there are some faint scratches too, probably from the little metal stir tool that is inside the cover. I tried to scrape some of the black off the edges but gave up.
Here’s a zoomed out shot to see how it looks in general:
Max temp burn offs and attempts to scrape the dark residue off with the stir tool/brush have been unsuccessful at returning it to perfect. That said, I was able to scrape a bit off in the center (as you can see).
Seems pretty impossible to get it back to like-new. Maybe I’ll try a few of my plastic scrape tools and see if I can get it cleaner later. If it’s possible to keep that crucible sparkling, I haven’t found it
.