Do yourself a favor if you REALLY want to get rid of mites, buy provent a mite and use as directed, repeat 2 weeks later an be done. It's the only product that will get rid of ALL STAGES of mites (eggs to adults) - (Homemade brew will be suggested, do not use them unless you know what you are doing)
This will only treat the adult stage which is great for instant relief but in the long term will mean re-infestation.natural mite killing spray.