ok, so u know wen u take a hit from the bong, and sometimes theres that "devil smoke" or "ghost" left in the bong, which is basicaly stale smoke that if u inhale, it tastes so bad, and makes u cough?

can some1 explain the science behind this?
Brey Reviewed by Brey on . Stale smoke...? ok, so u know wen u take a hit from the bong, and sometimes theres that "devil smoke" or "ghost" left in the bong, which is basicaly stale smoke that if u inhale, it tastes so bad, and makes u cough? can some1 explain the science behind this? Rating: 5