the permanent smell is coming (at least partly) from resin on the carpet or flooring. The only sure way to remove the smell of mary from a room is to rug-doctor the whole floor with hot water and rubbing alcohol. This works even on drug dogs. However, without this cleaning, a drug dog can pick up on the resin for 6 years.

But the glade plug-in works well if you're not being investigated. And incense isn't just what "some anti-social goth" would be into.. most people use incense in ceremonial ways, like meditation or yoga, or to relax, or hide the smell OF MARIJUANA..

not trying to be a dick, just saying.. we burnout hippies use incense too...