Unless you have some mj on the stem/bowl that got wet and was sitting out for an extended period of time, I wouldnt worry about it. Although I hate smoking from a dirty bowl, so its ISO + Salt before every bowl!
Zonyc Reviewed by Zonyc on . Worry about mold on a glass stem? Is there any reason to worry about that? How often and to what extent should you clean glass stems/bowls? Rating: 5