I had spider mites before and hanging one of these things in the room knocked them all out. Don't know if I was just lucky, but for the price, give it a try. They are available at home stores and garden stores near me.

Amazon.com: Hot Shot 5580 No Pest Strip Unscented Hanging Vapor Insect Repellent: Patio, Lawn & Garden
vtgreen Reviewed by vtgreen on . Spider Mites About the 4th week of veg, and I've recently had an explosion of spidermites. This happens all the time from what I've been reading, and I'm not panicking..... Instead I'm planning a strike against them. I've been engaged in some sort of mite warfare since about two weeks after the seedlings sprouted( yes, I'm growing seedlings indoors). My budget hasn't allowed me to spend $10-$15 a piece on clones from the clubs so I grew some of my orange crush, purple trainwreck, and grape ape seeds. I plan Rating: 5