HELP!! spider mights on Buds!

hey i got 3 plants and there almost done flowering i got about 3 weeks left if that and spider mights have infested is there some kind of a spray i can use to kill them and let them finish out there bud cycle or should i harvest them down and trim them up or what should i do im so worried!

The Complete guide to Sick Plants,pH, and Pest troubles! - International Cannagraphic Magazine Forums

if you scroll down a ways the article discusses some good way to control the mites. Neem oil prevents them from eating the plant and the tobacco juice kills them