Quote Originally Posted by Cool Breeze View Post
Not very often for me.
Just dry pipe cleaners after each smoke and a light scrape of the bowl with a czech tool (not enough to remove cake, just enough to remove loose tobacco).

About once every 2 months I'll dip a pipe cleaner in whatever liqour I have on hand (Scotch most of the time) and run it through them and swab out the bowls with it. That's it for me.
Don't waste good Scotch! The rare times I actually clean my only pipe is with a salt & rubbing alcohol soak.