the hardest thing about the mites is there eggs man thats why i vacuum mine it's just damn hard to get every single one. This is the whole problem right ya think ya got them wiped out but 1 survives of course a female and then all of a sudden your reinfested, like i said the only thing the hydro guys swear by is this miticide shit somebody's gotta know the name... I'll remember at some point, haha, the other thing that is supposed to work is to starve the plant cause mites feed on new growth and if there's no food they'll fuck off, more then likely into your grow room though, haha i don't know man i'd get some serious chemical shit asap before they spread there not much fun to deal with