Consider Botanigard. Biological. Non-toxic for humans and animals. Can be used safely up to the day of harvest. Expensive but it’s worth it. Certified organic for use on food crops. Then I rinse my chopped buds in clean cold water and some hydrogen peroxide before hanging to dry.
Early in flower predator mites can be effective but in practice you need about twice as many as you have spider mites. Otherwise it can take a while to work.