I did another inspection and cleaning this past spring, so I can post pictures and description when I get the time (sooner than seven years this time.) It was not much different from the first inspection, though the perlite-clay riser is getting old. There was not enough ash buildup to obstruct the bell exit.
First, you drop a couch from the plane, THEN you surf it. Here, take this tiny ad with you:
2024 Permaculture Adventure Bundle (now a special for october 2025)