You can use neem oil. When you want to kill bugs that live on your plant you spray a solution with neem oil on your plant (leaves top and bottom). And when you want to kill bugs that live in the soil or eat parts of the plant you give a solition with neem oil during watering.
Luftfeuchtigkeit erhöhen und für starken Wind sorgen.
Falls das nach spätestens 7 Tagen nicht anschlägt, solltest Du die Pflanzen entsorgen und den Raum gründlich reinigen.
Viel Glück!
You can try neem oil or predatory bugs. The issue is with them they can build up an immunity to chemicals. Your best bet is to get rid of the plant or plants infected. Disinfect the whole room and wait a few weeks till next grow. Mites are an uphill battle but not impossible to beat.