There's nothing irritating about having a dehydrator. Especially if you grow peppersI haven't tested the pH, but it's on par with sauerkraut I typically make and I like sour things. I just consider it an active ferment and therefore "fridge stable". I just monitor for mold or off smells, which has never happened on a hot sauce for me.
That pepper powder trick sounds awesome. The wife would surely be irritated if I brought a dehydrator home though.
Just find a nice covered area outside to use it.