Right guys I am about to scream, one snake on my rack had 4 mites in her enclosure and my pinstripe in the vivarium (across the room) has quite a few.

A few months ago (I think) I had mites in my vivarium and I was wondering if there was a chance that the snake mites eggs could stay dormant and reappear if I hadn't been vigilant enough in eradicating them the first time?

Has anyone come across this? Internet searches seem to follow this but I am baffled and annoyed and currently bleaching, scrubbing and mite spraying everything (even those with no signs of mites just in case)

My new additions 100% do not have mites and have not brought them in so this is the only thing I can assume. Advice would be welcomed here as this is the cherry on the top of a pretty crappy day for me