Black water tank health concerns and questions

Agreed. I refrained from any sarcasm about it. But his recent threads allude to some pretty strange ideas or notions.
Try to help…. But normal things like can’t run your AC off of solar and RVs are meant to be used to store water for use and to relieve oneself just don’t add up.
Iirc he moved into his camper full time. Must have a bath house and never spent a night somewhere without one?
Age regression. Hard for many to identify.