So it seems that alot of folks who are typically using chemie-grow products are the principle targets of the mites... I know several people who have worked really hard to start with the soil/media system as being the first line of defense. High brix-levels are the way to go to just flat out starve the little bastards out. We can continue to bomb them, and really just make the survivors stronger. They almost always come roaring back.
I don't know about all worm casting teas being created equal, but my friend found this worm tea at the growfax in denver (7540 colfax) by accident, and believes that it is THE go-to solution, as he uses chem-feed products, has a high traffic room, with dogs and cats included. He just does a soil drench at a 15 to 1 rate every three weeks, and they just stay away. Just too bad all these shops are selling meds tainted with pesticides...when all you need to do is make the plants balanced and healthy.
All I can say is I am done fighting them, and very happy aboout it... Blessings to all.