Quote Originally Posted by FunkyRes View Post
It's called musking. Garters frequently musk when they feel threatened. My guess is that something about new enclosure isn't right, make sure it has plenty of hides - most snakes like tight places they can squeeze into.
It may just be that it is a new enclosure, not that somethings wrong with it. Something is upsetting the scrub. Be patient.
Is he/she still eating and drinking?